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Document and Entity Information	6 Months Ended
Document and Entity Information	Jun. 30, 2015 USD ($) shares
Document and Entity Information [Abstract]
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Amendment Flag	false
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Registrant Name	UNITED TECHNOLOGIES CORP /DE/
Entity Central Index Key	0000101829
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float \| $	$ 98,745,805,884
Entity Common Stock, Shares Outstanding \| shares	890,597,745

Condensed Consolidated Statement of Operations Condensed Consolidated Statement of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue, Net [Abstract]
Product Sales	$ 12,046	$ 13,017	$ 22,419	$ 23,709
Service Sales	4,287	4,174	8,455	8,227
Total net sales	16,333	17,191	30,874	31,936
Costs and Expenses [Abstract]
Cost of products sold	9,020	10,182	16,850	18,263
Cost of services sold	2,805	2,749	5,498	5,358
Research and development	606	666	1,208	1,290
Selling, general and administrative	1,543	1,623	3,106	3,219
Total costs and expenses	13,974	15,220	26,662	28,130
Other income, net	193	384	614	647
Operating profit	2,552	2,355	4,826	4,453
Interest expense, net	216	206	434	431
Income before income taxes	2,336	2,149	4,392	4,022
Income tax expense	684	359	1,242	926
Net Income	1,652	1,790	3,150	3,096
Less: Noncontrolling interest in subsidiaries' earnings	110	110	182	203
Net income attributable to common shareowners	$ 1,542	$ 1,680	$ 2,968	$ 2,893
Earnings Per Share, Basic [Abstract]
Basic	$ 1.76	$ 1.87	$ 3.35	$ 3.21
Earnings Per Share, Diluted [Abstract]
Diluted	$ 1.73	$ 1.84	$ 3.31	$ 3.16

Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 1,652	$ 1,790	$ 3,150	$ 3,096
Other comprehensive income (loss), net of tax
Other comprehensive income, net of tax	634	538	44	470
Pension and post-retirement benefit plans
Pension and post-retirement benefit plans adjustments during the period	(7)	(18)	45	1
Amortization of actuarial loss, prior service cost and transition obligation	218	104	435	208
Total pension and post-retirement benefit plans, before tax	(211)	(86)	(480)	(209)
Tax expense	(79)	(29)	(176)	(69)
Pension and Other Postretirement Benefit Plans, Net of Tax	(132)	(57)	(304)	(140)
Unrealized gain on available-for-sale securities
Unrealized holding gain (loss) arising during period	1	(44)	87	(12)
Reclassification adjustments for gain included in Other income, net	26	6	54	30
Total unrealized gain on available for-sale securities, before tax	(25)	(50)	33	(42)
Tax benefit (expense)	(11)	(21)	11	(18)
Total unrealized gain (loss) on available for-sale securities, net of tax	(14)	(29)	22	(24)
Change in unrealized cash flow hedging
Unrealized cash flow hedging gain (loss) arising during the period	62	102	(122)	22
Loss reclassified into Product Sales	(43)	(13)	(100)	(31)
Total unrealized loss on cash-flow hedging, before tax	105	115	(22)	53
Tax (expense) benefit	29	29	(7)	17
Total unrealized loss on cash-flow hedging, net of tax	76	86	(15)	36
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]
Foreign currency translation adjustments arising during period	439	424	(266)	315
Reclassification adjustments for loss (gain) on sale of an investment in a foreign entity recognized in Other income, net	(1)	0	1	(3)
Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent	440	424	(267)	318
Comprehensive income	2,286	2,328	3,194	3,566
Comprehensive income attributable to noncontrolling interest	110	110	142	196
Comprehensive income attributable to common shareowners	$ 2,176	$ 2,218	$ 3,052	$ 3,370

Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents	$ 5,933	$ 5,235
Accounts receivable, net	11,516	11,317
Inventories and contracts in progress, net	10,295	9,865
Future income tax benefits, current	1,942	1,931
Other Assets, current	983	1,410
Total Current Assets	30,669	29,758
Customer financing assets	1,037	978
Future income tax benefits	1,378	1,494
Fixed assets	19,963	19,764
Less: Accumulated depreciation	10,697	10,488
Fixed assets, net	9,266	9,276
Goodwill	27,933	27,796
Intangible assets, net	15,706	15,560
Other assets	6,784	6,427
Total Assets	92,773	91,289
Liabilities and Equity
Short-term borrowings	2,782	126
Accounts payable	7,153	6,967
Accrued liabilities	13,622	14,006
Long-term debt currently due	172	1,796
Total Current Liabilities	23,729	22,895
Long-term debt	19,489	17,872
Future pension and postretirement benefit obligations	6,373	6,683
Other long-term liabilities	11,110	11,135
Total Liabilities	60,701	58,585
Commitments and contingent liabilities (Note 13)
Redeemable noncontrolling interest	134	140
Shareowners' Equity:
Common Stock	15,141	15,300
Treasury Stock	24,520	21,922
Retained earnings	46,443	44,611
Unearned ESOP shares	110	115
Accumulated other comprehensive loss	(6,577)	(6,661)
Total Shareowners' Equity	30,377	31,213
Noncontrolling interest	1,561	1,351
Total Equity	31,938	32,564
Total Liabilities and Equity	$ 92,773	$ 91,289

Condensed Consolidated Statement of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities:
Net income	$ 3,150,000,000	$ 3,096,000,000
Adjustments to reconcile income from continuing operations to net cash flows provided by operating activities of continuing operations:
Depreciation and amortization	958,000,000	935,000,000
Deferred income tax provision	325,000,000	36,000,000
Stock compensation cost	102,000,000	118,000,000
Change in:
Accounts receivable	359,000,000	312,000,000
Inventories and contracts in progress	456,000,000	791,000,000
Other current assets	146,000,000	47,000,000
Accounts payable and accrued liabilities	(83,000,000)	151,000,000
Global pension contributions	70,000,000	144,000,000
Other operating activities, net	573,000,000	(35,000,000)
Net cash flows provided by operating activities	2,848,000,000	3,077,000,000
Investing Activities:
Capital expenditures	706,000,000	739,000,000
Investments in businesses	256,000,000	84,000,000
Dispositions of businesses	166,000,000	156,000,000
Increase in customer financing assets, net	(95,000,000)
Decrease in customer financing assets, net		73,000,000
Increase in collaboration intangible assets	247,000,000	308,000,000
Receipts from settlements of derivative contracts	415,000,000	37,000,000
Other investing activities, net	(167,000,000)	8,000,000
Net cash flows used in investing activities	(556,000,000)	(873,000,000)
Financing Activities of Continuing Operations:
Issuance (repayment) of long-term debt, net	3,000,000	(173,000,000)
Increase in short-term borrowings, net	2,645,000,000	19,000,000
Proceeds from Common Stock issued under employee stock plans	26,000,000	113,000,000
Dividends paid on Common Stock	1,096,000,000	1,026,000,000
Repurchase of Common Stock	3,000,000,000	670,000,000
Other financing activities, net	(124,000,000)	(106,000,000)
Net cash flows used in financing activities	(1,546,000,000)	(1,843,000,000)
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of foreign exchange rate changes on cash and cash equivalents	(48,000,000)	(18,000,000)
Net increase in cash and cash equivalents	698,000,000	343,000,000
Cash and Cash Equivalents	5,235,000,000	4,619,000,000
Cash and Cash Equivalents	$ 5,933,000,000	$ 4,962,000,000

Introduction of Notes to Condensed Consolidated Financial Statements	6 Months Ended
	Jun. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Introduction of Notes to Condensed Consolidated Financial Statements	The Condensed Consolidated Financial Statements at June 30, 2015 and for the quarters and six months ended June 30, 2015 and 2014 are unaudited, but in the opinion of management include all adjustments (consisting only of normal recurring adjustments) necessary for a fair statement of the results for the interim periods. The results reported in these Condensed Consolidated Financial Statements should not necessarily be taken as indicative of results that may be expected for the entire year. Certain reclassifications have been made to the prior year amounts to conform to the current year presentation. The financial information included herein should be read in conjunction with the financial statements and notes in our Annual Report to Shareowners (2014 Annual Report) incorporated by reference to our Annual Report on Form 10-K for calendar year 2014 (2014 Form 10-K).

Acquisitions, Dispositions, Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2015

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]

Acquisitions, Dispositions, Goodwill and Other Intangible Assets [Text Block]

Acquisitions, Dispositions, Goodwill and Other Intangible Assets

Business Acquisitions and Dispositions. During the six months ended June 30, 2015, our investment in business acquisitions was $273 million, including debt assumed of $17 million, and consisted of the acquisition of the majority interest in a UTC Climate, Controls & Security business and a number of small acquisitions, primarily in our commercial businesses.

On July 20, 2015, we announced an agreement to sell our Sikorsky Aircraft business (Sikorsky) to Lockheed Martin Corp. for $9 billion in cash, subject to a working capital and net indebtedness adjustment. The sale is expected to close by the end of 2015 or in the first quarter of 2016, and is subject to customary closing conditions, including regulatory approvals. As a result, Sikorsky will be reported in discontinued operations beginning in the third quarter of 2015.

As a result of the 2012 transactions related to IAE International Aero Engines AG (IAE), Pratt & Whitney holds a 61% net interest in the collaboration and a 49.5% ownership interest in IAE. IAE's business purpose is to coordinate the design, development, manufacturing and product support of the V2500 jet engine program through involvement with the collaborators. IAE retains limited equity with the primary economics of the V2500 program passed to the participants in the separate collaboration arrangement. As such, we have determined that IAE is a variable interest entity with Pratt & Whitney its primary beneficiary, and IAE has, therefore, been consolidated. The carrying amounts and classification of assets and liabilities for IAE in our Condensed Consolidated Balance Sheet as of June 30, 2015 are as follows:



(Dollars in millions)
Current assets	$	1,947
Noncurrent assets	963
Total assets	$	2,910

Current liabilities	$	1,946
Noncurrent liabilities	1,437
Total liabilities	$	3,383

Goodwill. Changes in our goodwill balances for the six months ended June 30, 2015 were as follows:



(Dollars in millions)	Balance as of January 1, 2015		Goodwill Resulting from Business Combinations		Foreign Currency Translation and Other			Balance as of June 30, 2015
Otis	$	1,664	$	6	$	(67	)	$	1,603
UTC Climate, Controls & Security	9,408		348		(121		)	9,635
Pratt & Whitney	1,481		36		—			1,517
UTC Aerospace Systems	14,892		—		(61		)	14,831
Sikorsky	347		—		(3		)	344
Total Segments	27,792		390		(252		)	27,930
Eliminations and other	4		—		(1		)	3
Total	$	27,796	$	390	$	(253	)	$	27,933

Intangible Assets. Identifiable intangible assets are comprised of the following:



	June 30, 2015					December 31, 2014
(Dollars in millions)	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Amortized:
Service portfolios	$	2,006	$	(1,295	)	$	2,103	$	(1,309	)
Patents and trademarks	389		(196		)	361		(190		)
IAE collaboration	3,118		(45		)	2,872		(20		)
Customer relationships and other	12,434		(2,835		)	12,189		(2,623		)
	17,947		(4,371		)	17,525		(4,142		)
Unamortized:
Trademarks and other	2,130		—			2,177		—
Total	$	20,077	$	(4,371	)	$	19,702	$	(4,142	)

Customer relationship intangible assets include payments made to our customers to secure certain contractual rights. We amortize these intangible assets based on the underlying pattern of economic benefit, which may result in an amortization method other than straight-line. We classify amortization of such payments as a reduction of sales. The IAE collaboration intangible asset is amortized based upon the economic pattern of benefits as represented by the underlying cash flows.

Amortization of intangible assets for the quarter and six months ended June 30, 2015 was $179 million and $358 million, respectively, compared with $178 million and $357 million for the same periods of 2014. The following is the expected amortization of intangible assets for the years 2015 through 2020, which reflects an increase in expected amortization expense due to the pattern of economic benefit on certain aerospace intangible assets.



(Dollars in millions)	Remaining 2015		2016		2017		2018		2019		2020
Amortization expense	$	337	$	714	$	745	$	771	$	767	$	777

Earnings Per Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Earnings Per Share



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions, except per share amounts; shares in millions)	2015		2014		2015		2014
Net income attributable to common shareowners	$	1,542	$	1,680	$	2,968	$	2,893

Basic weighted average number of shares outstanding	877.3		900.1		884.8		900.3
Stock awards and equity units	12.1		14.6		13.0		14.5
Diluted weighted average number of shares outstanding	889.4		914.7		897.8		914.8
Earnings Per Share of Common Stock:
Basic	$	1.76	$	1.87	$	3.35	$	3.21
Diluted	1.73		1.84		3.31		3.16

The computation of diluted earnings per share excludes the effect of the potential exercise of stock awards, including stock appreciation rights and stock options, when the average market price of the common stock is lower than the exercise price of the related stock awards during the period. These outstanding stock awards are not included in the computation of diluted earnings per share because the effect would be anti-dilutive. For both the quarter and six months ended June 30, 2015, the number of stock awards excluded from the computation was approximately 0.4 million. There were no anti-dilutive stock awards excluded from the computation for the quarter and six months ended June 30, 2014.

Inventories and Contracts in Progress

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories and Contracts in Progress [Text Block]

Inventories and Contracts in Progress



(Dollars in millions)	June 30, 2015			December 31, 2014
Raw materials	$	2,011		$	2,056
Work-in-process	3,881			3,596
Finished goods	4,116			3,776
Contracts in progress	8,579			8,189
	18,587			17,617
Less:
Progress payments, secured by lien, on U.S. Government contracts	(498		)	(300		)
Billings on contracts in progress	(7,794		)	(7,452		)
	$	10,295		$	9,865

Inventory also includes capitalized contract development costs related to certain aerospace programs at UTC Aerospace Systems. As of June 30, 2015 and December 31, 2014, these capitalized costs were $185 million and $141 million, respectively, which will be liquidated as production units are delivered to the customer.

Borrowings and Lines of Credit

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Borrowings and Lines of Credit [Text Block]

Borrowings and Lines of Credit



(Dollars in millions)	June 30, 2015		December 31, 2014
Commercial paper	$	2,500	$	—
Other borrowings	282		126
Total short-term borrowings	$	2,782	$	126

At June 30, 2015, we had revolving credit agreements with various banks permitting aggregate borrowings of up to $4.35 billion pursuant to a $2.20 billion revolving credit agreement and a $2.15 billion multicurrency revolving credit agreement, both of which expire in May 2019. As of June 30, 2015, there were no borrowings under these revolving credit agreements. The undrawn portions of these revolving credit agreements are also available to serve as backup facilities for the issuance of commercial paper. Effective June 30, 2015 we terminated a $1.5 billion revolving credit agreement, which had been entered into on March 11, 2015. As of June 30, 2015, our maximum commercial paper borrowing limit was $4.35 billion. We use our commercial paper borrowings for general corporate purposes, including the funding of potential acquisitions, debt refinancing, and repurchases of our common stock. Commercial paper borrowings as of June 30, 2015 were largely used to initially finance the accelerated share repurchase agreements entered into on March 13, 2015. See Note 11 for further discussion of these accelerated share repurchase agreements.

Long-term debt consisted of the following:



(Dollars in millions)	June 30, 2015		December 31, 2014
LIBOR plus 0.500% floating rate notes due 2015	$	—	$	500
4.875% notes due 2015	—		1,200
5.375% notes due 2017 ¹	1,000		1,000
1.800% notes due 2017 ¹	1,500		1,500
1.778% junior subordinated notes due 2018	1,100		—
6.800% notes due 2018 ⁴	99		99
6.125% notes due 2019 ¹	1,250		1,250
8.875% notes due 2019	271		271
4.500% notes due 2020 ¹	1,250		1,250
4.875% notes due 2020 ⁴	171		171
8.750% notes due 2021	250		250
3.100% notes due 2022 ¹	2,300		2,300
1.550% junior subordinated notes due 2022	—		1,100
1.250% notes due 2023 (€750 million principal value) ²	841		—
7.100% notes due 2027 ⁴	141		141
6.700% notes due 2028	400		400
7.500% notes due 2029 ¹	550		550
5.400% notes due 2035 ¹	600		600
6.050% notes due 2036 ¹	600		600
6.800% notes due 2036 ⁴	134		134
7.000% notes due 2038 ⁴	159		159
6.125% notes due 2038 ¹	1,000		1,000
5.700% notes due 2040 ¹	1,000		1,000
4.500% notes due 2042 ¹	3,500		3,500
4.150% notes due 2045 ³	850		—
Project financing obligations	199		147
Other (including capitalized leases) ⁴	339		378
Total principal long-term debt	19,504		19,500
Other (fair market value adjustments and discounts) ⁴	157		168
Total long-term debt	19,661		19,668
Less: current portion	172		1,796
Long-term debt, net of current portion	$	19,489	$	17,872

We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.

We may redeem these notes, in whole or in part, at our option at any time. If redeemed prior to February 22, 2023, the redemption price in Euro shall equal the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on an annual basis at a rate based upon a comparable German federal government bond whose maturity is closest to the maturity of the notes plus 15 basis points. In addition, the notes may be redeemed at our option in whole, but not in part, at any time in the event of certain developments affecting U.S. taxation.

We may redeem these notes, in whole or in part, at our option at any time. If redeemed prior to November 16, 2044, the redemption price in U.S. Dollars shall equal the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 25 basis points.


4	Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.

On May 4, 2015, we completed the previously announced optional remarketing of the 1.550% junior subordinated notes, which were originally issued as part of our equity units on June 18, 2012. As a result of the remarketing, these notes were redesignated as our 1.778% junior subordinated notes due May 4, 2018. The 1.778% junior subordinated notes are effectively subordinated to existing or future preferred stock and indebtedness, guarantees and other liabilities, and are not redeemable prior to maturity. To date, we have not directly received any proceeds from the optional remarketing of the 1.550% junior subordinated notes. On August 3, 2015, we expect to receive approximately $1.1 billion from the proceeds of the remarketing, and issue approximately 11.3 million shares of Common Stock to settle the purchase obligation of the holders of the equity units under the purchase contract entered into at the time of the original issuance of the equity units.

On May 1, 2015, we repaid all 4.875% notes due in 2015, representing $1.2 billion in aggregate principal. On June 1, 2015, we repaid all floating rate notes due in 2015, representing $500 million in aggregate principal. On May 4, 2015, we issued $850 million aggregate principal amount of 4.150% notes due May 15, 2045. On May 22, 2015 we issued €750 million aggregate principal amount of 1.250% notes due May 22, 2023. The net proceeds from these debt issuances were used primarily to repay the notes maturing during the quarter ended June 30, 2015.

We have an existing universal shelf registration statement filed with the Securities and Exchange Commission (SEC) for an indeterminate amount of equity and debt securities for future issuance, subject to our internal limitations on the amount of equity and debt to be issued under this shelf registration statement.

Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	Income Taxes We conduct business globally and, as a result, UTC or one or more of our subsidiaries files income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. In the normal course of business we are subject to examination by taxing authorities throughout the world, including such major jurisdictions as Australia, Belgium, Canada, China, France, Germany, Hong Kong, Italy, Japan, Singapore, South Korea, Spain, the United Kingdom and the United States. With few exceptions, we are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations for years before 2003. In the ordinary course of business, there is inherent uncertainty in quantifying our income tax positions. We assess our income tax positions and record tax benefits for all years subject to examination based upon management’s evaluation of the facts, circumstances, and information available at the reporting date. It is reasonably possible that over the next twelve months the amount of unrecognized tax benefits may change within a range of a net increase of $25 million to a net decrease of $460 million as a result of additional worldwide uncertain tax positions, the revaluation of current uncertain tax positions arising from developments in examinations, in appeals, or in the courts, or the closure of tax statutes. See Note 13, Contingent Liabilities, for discussion regarding uncertain tax positions, included in the above range, related to pending litigation with respect to certain deductions claimed in Germany. UTC tax years 2011 and 2012 are currently under review by the Examination Division of the Internal Revenue Service (IRS), which is expected to continue beyond the next 12 months. Goodrich Corporation tax years 2011 and 2012 through the date of acquisition by UTC are currently under review by the Examination Division of the IRS, which is also expected to continue beyond the next 12 months.

Employee Benefit Plans

6 Months Ended

Jun. 30, 2015

Defined Pension, Defined Contribution and Other Postretirement Benefit Plans [Abstract]

Employee Benefit Plans [Text Block]

Employee Benefit Plans

Pension and Postretirement Plans. We sponsor both funded and unfunded domestic and foreign defined pension and other postretirement benefit plans, and defined contribution plans. Contributions to our plans were as follows:



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions)	2015		2014		2015		2014
Defined benefit plans	$	25	$	60	$	70	$	144
Defined contribution plans	$	86	$	80	$	182	$	170

There were no significant contributions to our domestic defined benefit pension plans in the quarters and six months ended June 30, 2015 and 2014.

The following table illustrates the components of net periodic benefit cost for our defined pension and other postretirement benefit plans:



	Pension Benefits Quarter Ended June 30,						Other Postretirement Benefits Quarter Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	124		$	122		$	1		$	1
Interest cost	350			380			8			10
Expected return on plan assets	(565		)	(554		)	—			—
Amortization	(2		)	(2		)	—			—
Recognized actuarial net loss (gain)	221			107			(1		)	(1		)
Net settlement and curtailment loss	3			6			—			—
Total net periodic benefit cost	$	131		$	59		$	8		$	10



	Pension Benefits Six Months Ended June 30,						Other Postretirement Benefits Six Months Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	249		$	244		$	2		$	2
Interest cost	701			760			16			20
Expected return on plan assets	(1,134		)	(1,108		)	—			—
Amortization	(5		)	(4		)	—			—
Recognized actuarial net loss (gain)	442			214			(2		)	(2		)
Net settlement and curtailment loss	9			6			—			—
Total net periodic benefit cost	$	262		$	112		$	16		$	20

Restructuring and Other Costs

6 Months Ended

Jun. 30, 2015

Restructuring and Related Activities [Abstract]

Restructuring and Other Costs [Text Block]

Restructuring Costs

During the six months ended June 30, 2015, we recorded net pre-tax restructuring costs totaling $155 million for new and ongoing restructuring actions. We recorded charges in the segments as follows:



(Dollars in millions)
Otis	$	14
UTC Climate, Controls & Security	52
Pratt & Whitney	15
UTC Aerospace Systems	50
Sikorsky	23
Eliminations and other	1
Total	$	155

Restructuring charges incurred during the six months ended June 30, 2015 primarily relate to actions initiated during 2015 and 2014, and were recorded as follows:



(Dollars in millions)
Cost of sales	$	87
Selling, general and administrative	68
Total	$	155

2015 Actions. During the six months ended June 30, 2015, we recorded net pre-tax restructuring costs totaling $105 million, including $58 million in cost of sales and $47 million in selling, general and administrative expenses. The 2015 actions relate to ongoing cost reduction efforts, including workforce reductions and the consolidation of field operations.

We are targeting the majority of the remaining workforce and all facility related cost reduction actions for completion during 2015 and 2016. No specific plans for significant other actions have been finalized at this time. The following table summarizes the accrual balance and utilization by cost type for the 2015 restructuring actions:



(Dollars in millions)	Severance			Facility Exit, Lease Termination and Other Costs			Total
Restructuring accruals at April 1, 2015	$	61		$	—		$	61
Net pre-tax restructuring costs	40			1			41
Utilization and foreign exchange	(12		)	(1		)	(13		)
Balance at June 30, 2015	$	89		$	—		$	89

The following table summarizes expected, incurred and remaining costs for the 2015 restructuring actions by segment:



(Dollars in millions)	Expected Costs		Costs Incurred Quarter Ended March 31, 2015			Costs Incurred Quarter Ended June 30, 2015			Remaining Costs at June 30, 2015
Otis	$	11	$	—		$	(4	)	$	7
UTC Climate, Controls & Security	34		(16		)	(12		)	6
Pratt & Whitney	3		(1		)	(2		)	—
UTC Aerospace Systems	53		(47		)	4			10
Sikorsky	49		—			(26		)	23
Eliminations and other	1		—			(1		)	—
Total	$	151	$	(64	)	$	(41	)	$	46

2014 Actions. During the six months ended June 30, 2015, we recorded net pre-tax restructuring costs totaling $48 million for restructuring actions initiated in 2014, including $27 million in cost of sales and $21 million in selling, general and administrative expenses. The 2014 actions relate to ongoing cost reduction efforts, including workforce reductions and the consolidation of field operations. The following table summarizes the accrual balances and utilization by cost type for the 2014 restructuring actions:



(Dollars in millions)	Severance			Asset Write-Downs			Facility Exit, Lease Termination and Other Costs			Total
Restructuring accruals at April 1, 2015	$	130		$	—		$	8		$	138
Net pre-tax restructuring costs	21			1			3			25
Utilization and foreign exchange	(28		)	(1		)	(5		)	(34		)
Balance at June 30, 2015	$	123		$	—		$	6		$	129

The following table summarizes expected, incurred and remaining costs for the 2014 restructuring actions by segment:



(Dollars in millions)	Expected Costs		Costs Incurred in 2014			Costs Incurred Quarter Ended March 31, 2015			Costs Incurred Quarter Ended June 30, 2015			Remaining Costs at June 30, 2015
Otis	$	130	$	(98	)	$	(6	)	$	(4	)	$	22
UTC Climate, Controls & Security	128		(86		)	(7		)	(18		)	17
Pratt & Whitney	83		(64		)	(10		)	(2		)	7
UTC Aerospace Systems	83		(72		)	—			(1		)	10
Sikorsky	20		(20		)	—			—			—
Eliminations and other	5		(5		)	—			—			—
Total	$	449	$	(345	)	$	(23	)	$	(25	)	$	56

2013 Actions. As of June 30, 2015, we have approximately $55 million of accrual balances remaining related to 2013 actions.

Financial Instruments

6 Months Ended

Jun. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments [Text Block]

Financial Instruments

We enter into derivative instruments for risk management purposes only, including derivatives designated as hedging instruments under the Derivatives and Hedging Topic of the FASB ASC and those utilized as economic hedges. We operate internationally and, in the normal course of business, are exposed to fluctuations in interest rates, foreign exchange rates and commodity prices. These fluctuations can increase the costs of financing, investing and operating the business. We have used derivative instruments, including swaps, forward contracts and options to manage certain foreign currency, interest rate and commodity price exposures.

The four quarter rolling average of the notional amount of foreign exchange contracts hedging foreign currency transactions was $15.0 billion and $13.9 billion at June 30, 2015 and December 31, 2014, respectively.

The following table summarizes the fair value of derivative instruments as of June 30, 2015 and December 31, 2014 which consist solely of foreign exchange contracts:



	Asset Derivatives				Liability Derivatives
(Dollars in millions)	June 30, 2015		December 31, 2014		June 30, 2015		December 31, 2014
Derivatives designated as hedging instruments	$	18	$	3	$	272	$	248
Derivatives not designated as hedging instruments	56		139		67		71

As discussed in Note 4, on May 22, 2015 we issued approximately €750 million of Euro-denominated debt, which qualifies as a net investment hedge against our investments in European businesses under ASC 815, Derivatives and Hedging. As of June 30, 2015, the net investment hedge is deemed to be effective as defined under ASC 815.

The amount of gains and losses related to the Company's derivative financial instruments was as follows:



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions)	2015		2014		2015			2014
Gain (loss) recorded in Accumulated other comprehensive loss	$	62	$	102	$	(122	)	$	22
Loss reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	$	43	$	13	$	100		$	31

Assuming current market conditions continue, a $153 million pre-tax loss is expected to be reclassified from Accumulated other comprehensive loss into Product sales to reflect the fixed prices obtained from foreign exchange hedging within the next 12 months. At June 30, 2015, all derivative contracts accounted for as cash flow hedges will mature by July 2017.

The effect on the Condensed Consolidated Statement of Operations of foreign exchange contracts not designated as hedging instruments was as follows:



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015		2014			2015		2014
Gain (loss) recognized in Other income, net	$	12	$	(14	)	$	30	$	12

We received $415 million and $37 million from settlements of derivative contracts during the six months ended June 30, 2015 and 2014, respectively.

- Definition

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Paragraph 2
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579240-113959

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80784-113994

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41641-113959

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624258-113959

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 4K
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5708775-113959

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5708773-113959

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 4A
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41638-113959

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(n))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Fair Value Measurements

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

Fair Value Measurements

The Fair Value Measurements and Disclosure Topic of the FASB ASC establishes a valuation hierarchy for disclosure of the inputs to the valuations used to measure fair value. A financial asset or liability's classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement. This hierarchy prioritizes the inputs into three broad levels as follows:


•	Level 1 - quoted prices in active markets for identical assets or liabilities;


•	Level 2 - inputs other than quoted prices included within Level 1 that are observable for the asset or liability either directly or indirectly; and


•	Level 3 - unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value.

The following tables provide the valuation hierarchy classification of assets and liabilities that are carried at fair value and measured on a recurring and nonrecurring basis in our Condensed Consolidated Balance Sheet as of June 30, 2015 and December 31, 2014:



June 30, 2015 (Dollars in millions)	Total			Level 1		Level 2			Level 3
Recurring fair value measurements:
Available-for-sale securities	$	920		$	920	$	—		$	—
Derivative assets	74			—		74			—
Derivative liabilities	(339		)	—		(339		)	—



December 31, 2014 (Dollars in millions)	Total			Level 1		Level 2			Level 3
Recurring fair value measurements:
Available-for-sale securities	$	961		$	961	$	—		$	—
Derivative assets	142			—		142			—
Derivative liabilities	(319		)	—		(319		)	—
Nonrecurring fair value measurements:
Business dispositions	3			—		3			—

We have recorded net gains of approximately $126 million during the six months ended June 30, 2015, as a result of a fair value adjustment related to the acquisition of a controlling interest in a UTC Climate, Controls & Security joint venture investment.

We recorded a charge of approximately $60 million during the six months ended June 30, 2014, to adjust the fair value of a Pratt & Whitney joint venture investment. During the six months ended June 30, 2014, we also recorded a charge of approximately $28 million to adjust the fair value of a Sikorsky joint venture investment.

Valuation Techniques. Our available-for-sale securities include equity investments that are traded in active markets, either domestically or internationally, and are measured at fair value using closing stock prices from active markets. Our derivative assets and liabilities include foreign exchange contracts and commodity derivatives that are measured at fair value using internal models based on observable market inputs such as forward rates, interest rates, our own credit risk and our counterparties' credit risks. As of June 30, 2015, there were no significant transfers in and out of Level 1 and Level 2.

As of June 30, 2015, there has not been any significant impact to the fair value of our derivative liabilities due to our own credit risk. Similarly, there has not been any significant adverse impact to our derivative assets based on our evaluation of our counterparties' credit risks.

The following table provides carrying amounts and fair values of financial instruments that are not carried at fair value in our Condensed Consolidated Balance Sheet at June 30, 2015 and December 31, 2014:



	June 30, 2015						December 31, 2014
(Dollars in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Long-term receivables	$	147		$	145		$	214		$	204
Customer financing notes receivable	342			337			262			260
Short-term borrowings	(2,782		)	(2,782		)	(126		)	(126		)
Long-term debt (excluding capitalized leases)	(19,634		)	(21,872		)	(19,634		)	(22,254		)
Long-term liabilities	(264		)	(289		)	(80		)	(74		)

The following table provides the valuation hierarchy classification of assets and liabilities that are not carried at fair value in our Condensed Consolidated Balance Sheet as of June 30, 2015:



(Dollars in millions)	Total			Level 1		Level 2			Level 3
Long-term receivables	$	145		$	—	$	145		$	—
Customer financing notes receivable	337			—		337			—
Short-term borrowings	(2,782		)	—		(2,645		)	(137		)
Long-term debt (excluding capitalized leases)	(21,872		)	—		(21,480		)	(392		)
Long-term liabilities	(289		)	—		(289		)	—

We had commercial aerospace financing and other contractual commitments totaling approximately $10.5 billion and $11.3 billion as of June 30, 2015 and December 31, 2014, respectively, related to commercial aircraft and certain contractual rights to provide product on new aircraft platforms. Risks associated with changes in interest rates on these commitments are mitigated by the fact that interest rates are variable during the commitment term, and are set at the date of funding based on current market conditions, the fair value of the underlying collateral and the credit worthiness of the customers. As a result, the fair value of these financings is expected to equal the amounts funded. The fair value of these commitments is not readily determinable.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Long-Term Financing Receivables

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Long-Term Financing Receivables [Text Block]

Long-Term Financing Receivables

Our long-term financing receivables primarily represent balances related to our aerospace businesses, such as long-term trade accounts receivable, leases receivable, and notes receivable. We also have other long-term receivables related to our commercial businesses; however, both the individual and aggregate amounts of those other receivables are not significant.

Long-term trade accounts receivable, including unbilled receivables primarily related to long-term aftermarket contracts, are principally amounts arising from the sale of goods and delivery of services with a contractual maturity date or realization period of greater than one year, and are recognized as Other assets in our Condensed Consolidated Balance Sheet. Notes and leases receivable represent notes and lease receivables other than receivables related to operating leases, and are recognized as Customer financing assets in our Condensed Consolidated Balance Sheet. The following table summarizes the balance by class of aerospace business-related long-term receivables as of June 30, 2015 and December 31, 2014.



(Dollars in millions)	June 30, 2015		December 31, 2014
Long-term trade accounts receivable	$	1,154	$	1,045
Notes and leases receivable	465		381
Total long-term receivables	$	1,619	$	1,426

Customer credit ratings range from customers with an extremely strong capacity to meet financial obligations, to customers whose uncollateralized receivable is in default. There can be no assurance that actual results will not differ from estimates or that consideration of these factors in the future will not result in an increase or decrease to the allowance for credit losses on long-term receivables. Based upon the customer credit ratings, approximately 7% of our total long-term receivables were considered to bear high credit risk as of both June 30, 2015 and December 31, 2014.

For long-term trade accounts receivable, we evaluate credit risk and collectability individually to determine if an allowance is necessary. Our long-term receivables included in the table above are individually evaluated for recoverability, and we had valuation reserves of $17 million as of June 30, 2015 and $10 million as of December 31, 2014. At June 30, 2015 and December 31, 2014, we did not have any significant balances that are considered to be delinquent, on non-accrual status, past due 90 days or more, or considered to be not recoverable.

Shareowners' Equity and Noncontrolling Interest

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Shareowners' Equity and Noncontrolling Interest [Text Block]

Shareowners' Equity and Noncontrolling Interest

A summary of the changes in shareowners' equity and noncontrolling interest comprising total equity for the quarters and six months ended June 30, 2015 and 2014 is provided below:



	Quarter Ended June 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	28,650		$	1,517		$	30,167		$	32,317		$	1,378		$	33,695
Comprehensive income for the period:
Net income	1,542			110			1,652			1,680			110			1,790
Total other comprehensive income	634			—			634			538			—			538
Total comprehensive income for the period	2,176			110			2,286			2,218			110			2,328
Common Stock issued under employee plans	112			—			112			125			—			125
Common Stock repurchased	—			—			—			(335		)	—			(335		)
Dividends on Common Stock	(543		)	—			(543		)	(512		)	—			(512		)
Dividends on ESOP Common Stock	(18		)	—			(18		)	(18		)	—			(18		)
Dividends attributable to noncontrolling interest	—			(61		)	(61		)	—			(44		)	(44		)
Purchase of subsidiary shares from noncontrolling interest	—			(4		)	(4		)	(10		)	(30		)	(40		)
Acquisition of noncontrolling interest	—			1			1			—			—			—
Disposition of noncontrolling interest	—			—			—			—			3			3
Redeemable noncontrolling interest	1			(1		)	—			—			(9		)	(9		)
Other	(1		)	(1		)	(2		)	—			—			—
Equity, end of period	$	30,377		$	1,561		$	31,938		$	33,785		$	1,408		$	35,193



	Six Months Ended June 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	31,213		$	1,351		$	32,564		$	31,866		$	1,353		$	33,219
Comprehensive income for the period:
Net income	2,968			182			3,150			2,893			203			3,096
Total other comprehensive (loss) income	84			(40		)	44			477			(7		)	470
Total comprehensive income for the period	3,052			142			3,194			3,370			196			3,566
Common Stock issued under employee plans	237			—			237			290			—			290
Common Stock repurchased	(3,000		)	—			(3,000		)	(670		)	—			(670		)
Dividends on Common Stock	(1,096		)	—			(1,096		)	(1,026		)	—			(1,026		)
Dividends on ESOP Common Stock	(37		)	—			(37		)	(36		)	—			(36		)
Dividends attributable to noncontrolling interest	—			(116		)	(116		)	—			(100		)	(100		)
Sale (purchase) of subsidiary shares from noncontrolling interest	11			10			21			(9		)	(6		)	(15		)
Acquisition of noncontrolling interest	—			173			173			—			—			—
Disposition of noncontrolling interest	—			(3		)	(3		)	—			3			3
Redeemable noncontrolling interest	(3		)	5			2			—			(38		)	(38		)
Other	—			(1		)	(1		)	—			—			—
Equity, end of period	$	30,377		$	1,561		$	31,938		$	33,785		$	1,408		$	35,193

On March 13, 2015, we entered into accelerated share repurchase (ASR) agreements with each of Goldman, Sachs & Co. (Goldman Sachs) and Morgan Stanley & Co. LLC (Morgan Stanley) to repurchase shares of our common stock for an aggregate purchase price of $2.65 billion. Each ASR agreement provides for the repurchase of our common stock based on the average of the daily volume-weighted average prices of our common stock during the term of such ASR agreement, less a discount and subject to adjustments pursuant to the terms and conditions of the ASR agreement.

On March 13, 2015, we paid the aggregate purchase price and received an initial delivery of 18.6 million shares of common stock at a price of $121.24 per share, representing approximately 85% of the shares expected to be repurchased. The aggregate purchase price was recorded as a reduction to shareowners’ equity, consisting of a $2.25 billion increase in treasury stock and a $398 million decrease in additional paid-in capital. Upon final settlement of the ASR agreements, under certain circumstances, each of Goldman Sachs and Morgan Stanley may be required to deliver additional shares of common stock, or, under certain circumstances, we may be required to deliver shares of common stock or to make a cash payment, at our election, to Goldman Sachs and Morgan Stanley. The final settlement of the transactions under the ASR agreements is expected to occur no later than the fourth quarter of 2015 and may be accelerated at the option of Goldman Sachs or Morgan Stanley, as the case may be.

Each of the ASR agreements contains customary terms for these types of transactions, including the mechanisms to determine the number of shares or the amount of cash that will be delivered at settlement, the required timing of delivery upon settlement, the specific circumstances under which adjustments may be made to the repurchase transactions, the specific circumstances under which the repurchase transactions may be canceled prior to the scheduled maturity and various acknowledgments, representations and warranties made by the Company and Goldman Sachs or Morgan Stanley, as applicable, to one another.

A summary of the changes in each component of accumulated other comprehensive income (loss), net of tax for the quarters and six months ended June 30, 2015 and 2014 is provided below:



(Dollars in millions)	Foreign Currency Translation			Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended June 30, 2015
Balance at March 31, 2015	$	(1,718	)	$	(5,537	)	$	344		$	(300	)	$	(7,211	)
Other comprehensive income (loss) before reclassifications, net	439			(4		)	4			49			488
Amounts reclassified, pretax	1			218			(26		)	43			236
Tax (benefit) expense reclassified	—			(82		)	8			(16		)	(90		)
Balance at June 30, 2015	$	(1,278	)	$	(5,405	)	$	330		$	(224	)	$	(6,577	)

Six Months Ended June 30, 2015
Balance at December 31, 2014	$	(1,051	)	$	(5,709	)	$	308		$	(209	)	$	(6,661	)
Other comprehensive (loss) income before reclassifications, net	(226		)	31			58			(83		)	(220		)
Amounts reclassified, pretax	(1		)	435			(54		)	100			480
Tax (benefit) expense reclassified	—			(162		)	18			(32		)	(176		)
Balance at June 30, 2015	$	(1,278	)	$	(5,405	)	$	330		$	(224	)	$	(6,577	)



(Dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended June 30, 2014
Balance at March 31, 2014	$	71	$	(3,184	)	$	301		$	(129	)	$	(2,941	)
Other comprehensive income (loss) before reclassifications, net	424		(12		)	(28		)	80			464
Amounts reclassified, pretax	—		104			(6		)	13			111
Tax (benefit) expense reclassified	—		(35		)	5			(7		)	(37		)
Balance at June 30, 2014	$	495	$	(3,127	)	$	272		$	(43	)	$	(2,403	)

Six Months Ended June 30, 2014
Balance at December 31, 2013	$	170	$	(3,267	)	$	296		$	(79	)	$	(2,880	)
Other comprehensive income (loss) before reclassifications, net	322		1			(6		)	15			332
Amounts reclassified, pretax	3		208			(30		)	31			212
Tax (benefit) expense reclassified	—		(69		)	12			(10		)	(67		)
Balance at June 30, 2014	$	495	$	(3,127	)	$	272		$	(43	)	$	(2,403	)

Amounts reclassified related to our defined benefit pension and postretirement plans include amortization of prior service costs and transition obligations, and actuarial net losses recognized during each period presented. These costs are recorded as components of net periodic pension cost for each period presented (see Note 6 for additional details).

All noncontrolling interests with redemption features, such as put options, that are not solely within our control (redeemable noncontrolling interests) are reported in the mezzanine section of the Condensed Consolidated Balance Sheet, between liabilities and equity, at the greater of redemption value or initial carrying value. A summary of the changes in redeemable noncontrolling interest recorded in the mezzanine section of the Condensed Consolidated Balance Sheet for the quarters and six months ended June 30, 2015 and 2014 is provided below:



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015			2014		2015			2014
Redeemable noncontrolling interest, beginning of period	$	135		$	137	$	140		$	111
Net income	3			1		4			7
Foreign currency translation	(2		)	2		(9		)	—
Dividends attributable to noncontrolling interest	—			—		(3		)	(3		)
Purchase of subsidiary shares from noncontrolling interest	(1		)	—		(1		)	—
Redeemable noncontrolling interest fair value adjustment	(1		)	—		3			—
Redeemable noncontrolling interest reclassification to noncontrolling interest	—			6		—			31
Redeemable noncontrolling interest, end of period	$	134		$	146	$	134		$	146

Changes in noncontrolling interests that do not result in a change of control and where there is a difference between fair value and carrying value are accounted for as equity transactions. A summary of these changes in ownership interests in subsidiaries and the pro-forma effect on Net income attributable to common shareowners had they been recorded through net income for the quarters and six months ended June 30, 2015 and 2014 is provided below:



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015		2014			2015			2014
Net income attributable to common shareowners	$	1,542	$	1,680		$	2,968		$	2,893
Transfers to noncontrolling interests:
Increase in common stock for sale of subsidiary shares	—		—			23			4
Decrease in common stock for purchase of subsidiary shares	—		(10		)	(12		)	(13		)
Net income attributable to common shareowners after transfers to noncontrolling interests	$	1,542	$	1,670		$	2,979		$	2,884

Guarantees

6 Months Ended

Jun. 30, 2015

Service and Product Warranties and Product Performance Guarantees [Abstract]

Guarantees [Text Block]

Guarantees

We extend a variety of financial, market value and product performance guarantees to third parties. There have been no material changes to guarantees outstanding since December 31, 2014. The changes in the carrying amount of service and product warranties and product performance guarantees for the six months ended June 30, 2015 and 2014 are as follows:



(Dollars in millions)	2015			2014
Balance as of January 1	$	1,313		$	1,360
Warranties and performance guarantees issued	132			121
Settlements made	(141		)	(168		)
Other	(19		)	(9		)
Balance as of June 30	$	1,285		$	1,304

Contingent Liabilities	6 Months Ended
Contingent Liabilities	Jun. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Contingent Liabilities [Text Block]	Contingent Liabilities Summarized below are the matters previously described in Note 17 of the Notes to the Consolidated Financial Statements in our 2014 Annual Report, incorporated by reference in our 2014 Form 10-K, updated as applicable. Except as otherwise noted, while we are unable to predict the final outcome, based on information currently available, we do not believe that resolution of any of the following matters will have a material adverse effect upon our competitive position, results of operations, cash flows or financial condition. Environmental. Our operations are subject to environmental regulation by federal, state and local authorities in the United States and regulatory authorities with jurisdiction over our foreign operations. As described in Note 1 to the Consolidated Financial Statements in our 2014 Annual Report, we have accrued for the costs of environmental remediation activities and periodically reassess these amounts. We believe that the likelihood of incurring losses materially in excess of amounts accrued is remote. Additional information pertaining to environmental matters is included in Note 1 to the Consolidated Financial Statements in our 2014 Annual Report. Government. We are now, and believe that, in light of the current U.S. Government contracting environment, we will continue to be the subject of one or more U.S. Government investigations. If we or one of our business units were charged with wrongdoing as a result of any of these investigations or other government investigations (including violations of certain environmental or export laws) the U.S. Government could suspend us from bidding on or receiving awards of new U.S. Government contracts pending the completion of legal proceedings. If convicted or found liable, the U.S. Government could fine and debar us from new U.S. Government contracting for a period generally not to exceed three years. The U.S. Government could void any contracts found to be tainted by fraud. Our contracts with the U.S. Government are also subject to audits. Like many defense contractors, we have received audit reports which recommend that certain contract prices should be reduced to comply with various government regulations. Some of these audit reports involved substantial amounts. We have made voluntary refunds in those cases we believe appropriate, have settled some allegations and continue to litigate certain cases. In addition, we accrue for liabilities associated with those matters that are probable and can be reasonably estimated. The most likely settlement amount to be incurred is accrued based upon a range of estimates. Where no amount within a range of estimates is more likely, then we accrued the minimum amount. Legal Proceedings. F100 Engine Litigation As previously disclosed, the United States Government sued us in 1999 in the United States District Court for the Southern District of Ohio, claiming that Pratt & Whitney violated the civil False Claims Act and common law. The claims relate to the “Fighter Engine Competition” between Pratt & Whitney's F100 engine and General Electric's F110 engine. The government alleged that it overpaid for F100 engines under contracts awarded by the U.S. Air Force in fiscal years 1985 through 1990 because Pratt & Whitney inflated its estimated costs for some purchased parts and withheld data that would have revealed the overstatements. At trial, which ended in April 2005, the government claimed Pratt & Whitney's liability to be approximately $624 million. On August 1, 2008, the trial court held that the Air Force had not suffered any actual damages because Pratt & Whitney had made significant price concessions after the alleged overstatements were made. However, the trial court judge found that Pratt & Whitney violated the False Claims Act due to inaccurate statements contained in its 1983 initial engine pricing proposal. In the absence of actual damages, the trial court awarded the government the maximum civil penalty of approximately $7 million, or $10,000 for each of the 709 invoices Pratt & Whitney submitted in 1989 and later under the contracts. In September 2008, both the government and UTC appealed the decision to the United States Court of Appeals for the Sixth Circuit. In November 2010, the Sixth Circuit affirmed Pratt & Whitney's liability for the civil penalty under the False Claims Act, but remanded the case to the trial court for further proceedings on the issues of False Claims Act damages and common law liability and damages. On June 18, 2012, the trial court found that Pratt & Whitney had breached obligations imposed by common law based on the same conduct with respect to which the court previously found liability under the False Claims Act. Under the common law claims, the U.S. Air Force seeks damages for events occurring before March 3, 1989, which are not recoverable under the False Claims Act. On June 17, 2013, the trial court awarded the government approximately $473 million in damages and penalties, plus prejudgment interest in an amount to be determined. On July 1, 2013, the trial court, after determining the amount of prejudgment interest, entered judgment in favor of the government in the amount of approximately $664 million. The trial court also awarded post-judgment interest on the full amount of the judgment to accrue from July 2, 2013, at the federal variable interest rate determined pursuant to 28 U.S.C. § 1961. The judgment included four different components: (1) common law damages of approximately $109 million; (2) prejudgment interest on common law damages of approximately $191 million; (3) False Claims Act treble damages of approximately $357 million; and (4) penalties of approximately $7 million. The penalty component of the judgment previously was affirmed by the United States Court of Appeals in 2010. We filed an appeal from the judgment to the United States Court of Appeals for the Sixth Circuit on August 26, 2013. On April 6, 2015, the Sixth Circuit reversed the trial court’s decision and vacated the prior damages award, noting that the government did not prove any damages. The Court rejected as a matter of law the evidence submitted by the government on damages and remanded the case to the trial court to decide in the first instance whether the government should have another opportunity to prove that it suffered any actual damages. We continue to believe that the government suffered no actual damages as a result of the inaccurate statements made in 1983, and continue not to accrue a reserve beyond the approximately $7 million of penalties referenced above and post-judgment interest on such penalties, which in the aggregate are not material. Cost Accounting Standards Claim By letter dated December 24, 2013, a Divisional Administrative Contracting Officer of the United States Defense Contract Management Agency asserted a claim and demand for payment of approximately $211 million against Pratt & Whitney. The claim is based on Pratt & Whitney's alleged noncompliance with cost accounting standards from January 1, 2005 to December 31, 2012, due to its method of determining the cost of collaborator parts used in the calculation of material overhead costs for government contracts. We believe this claim is without merit. On March 18, 2014, Pratt & Whitney filed an appeal to the Armed Services Board of Contract Appeals. German Tax Litigation As previously disclosed, UTC has been involved in administrative review proceedings with the German Tax Office, which concern approximately €215 million (approximately $241 million) of tax benefits that we have claimed related to a 1998 reorganization of the corporate structure of Otis operations in Germany. Upon audit, these tax benefits were disallowed by the German Tax Office. UTC estimates interest associated with the aforementioned tax benefits is an additional approximately €118 million (approximately $133 million). On August 3, 2012, we filed suit in the local German Tax Court (Berlin-Brandenburg). In 2008 the German Federal Tax Court (FTC) denied benefits to another taxpayer in a case involving a German tax law relevant to our reorganization. The determination of the FTC on this other matter was appealed to the European Court of Justice (ECJ) to determine if the underlying German tax law is violative of European Union principles. On September 17, 2009, the ECJ issued an opinion in this case that is generally favorable to the other taxpayer and referred the case back to the FTC for further consideration of certain related issues. In May 2010, the FTC released its decision, in which it resolved certain tax issues that may be relevant to our suit and remanded the case to a lower court for further development. In 2012, the lower court decided in favor of the other taxpayer and the German Government again appealed the findings to the FTC. In November 2014, the FTC ruled in favor of the German Government, and against the other taxpayer. We believe that the FTC decision in the case involving the other taxpayer is not determinative of the outcome in our case, and we will continue vigorously to litigate the matter. However, in light of the FTC decision in the case involving the other taxpayer, we fully accrued for the matter during the quarter ended December 31, 2014. While we continue to litigate the matter at the local German Tax Court, UTC made tax and interest payments to German tax authorities of €20 million (approximately $22 million) in the quarter ended March 31, 2015 and €217 million (approximately $236 million) in the quarter ended June 30, 2015 to avoid additional interest accruals pending final resolution of this matter. Other. As described in Note 16 to the Consolidated Financial Statements in our 2014 Annual Report, we extend performance and operating cost guarantees beyond our normal warranty and service policies for extended periods on some of our products. We have accrued our estimate of the liability that may result under these guarantees and for service costs that are probable and can be reasonably estimated. We have accrued for environmental investigatory, remediation, operating and maintenance costs, performance guarantees and other litigation and claims based on our estimate of the probable outcome of these matters. While it is possible that the outcome of these matters may differ from the recorded liability, we believe that resolution of these matters will not have a material impact on our competitive position, results of operations, cash flows or financial condition. We also have other commitments and contingent liabilities related to legal proceedings, self-insurance programs and matters arising out of the normal course of business. We accrue contingencies based upon a range of possible outcomes. If no amount within this range is a better estimate than any other, then we accrue the minimum amount. We are also subject to a number of routine lawsuits, investigations and claims (some of which involve substantial amounts) arising out of the ordinary course of our business. We do not believe that these matters will have a material adverse effect upon our competitive position, results of operations, cash flows or financial condition.

Segment Financial Data

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Segment Financial Data [Text Block]

Segment Financial Data

Our operations are classified into five principal segments: Otis, UTC Climate, Controls & Security, Pratt & Whitney, UTC Aerospace Systems and Sikorsky. The segments are generally based on the management structure of the businesses and the grouping of similar operating companies, where each management organization has general operating autonomy over diversified products and services.

Results for the quarters ended June 30, 2015 and 2014 are as follows:



	Net Sales						Operating Profits						Operating Profit Margins
(Dollars in millions)	2015			2014			2015			2014			2015		2014
Otis	$	3,098		$	3,365		$	627		$	693		20.2	%	20.6	%
UTC Climate, Controls & Security	4,454			4,429			823			815			18.5	%	18.4	%
Pratt & Whitney	3,677			3,592			487			432			13.2	%	12.0	%
UTC Aerospace Systems	3,632			3,636			580			602			16.0	%	16.6	%
Sikorsky	1,691			2,384			165			(317		)	9.8	%	(13.3	)%
Total segments	16,552			17,406			2,682			2,225			16.2	%	12.8	%
Eliminations and other	(219		)	(215		)	(10		)	249
General corporate expenses	—			—			(120		)	(119		)
Consolidated	$	16,333		$	17,191		$	2,552		$	2,355		15.6	%	13.7	%

Results for the six months ended June 30, 2015 and 2014 are as follows:



	Net Sales						Operating Profits						Operating Profit Margins
(Dollars in millions)	2015			2014			2015			2014			2015		2014
Otis	$	5,843		$	6,320		$	1,154		$	1,263		19.8	%	20.0	%
UTC Climate, Controls & Security	8,306			8,280			1,552			1,352			18.7	%	16.3	%
Pratt & Whitney	7,009			6,921			906			820			12.9	%	11.8	%
UTC Aerospace Systems	7,180			7,086			1,149			1,192			16.0	%	16.8	%
Sikorsky	2,958			3,745			257			(231		)	8.7	%	(6.2	)%
Total segments	31,296			32,352			5,018			4,396			16.0	%	13.6	%
Eliminations and other	(422		)	(416		)	38			288
General corporate expenses	—			—			(230		)	(231		)
Consolidated	$	30,874		$	31,936		$	4,826		$	4,453		15.6	%	13.9	%

See Note 7 to the Condensed Consolidated Financial Statements for a discussion of restructuring costs included in segment operating results.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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+ Details

Accounting Pronouncements	6 Months Ended
Accounting Pronouncements	Jun. 30, 2015
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Accounting Pronouncements In May 2014, the FASB issued Accounting Standards Update (ASU) No. 2014-09, "Revenue from Contracts with Customers." This ASU is intended to clarify the principles for recognizing revenue by removing inconsistencies in revenue requirements; providing a more robust framework for addressing revenue issues; improving comparability of revenue recognition practices across entities, industries, jurisdictions and capital markets; and providing more useful information to users of financial statements through improved revenue disclosure requirements. In April 2015, the FASB voted to defer the effective date of the new revenue recognition standard by one year. As a result, the provisions of this ASU are now effective for interim and annual periods beginning after December 15, 2017. We are currently evaluating the impact of this ASU. In February 2015, the FASB issued ASU No. 2015-02, "Amendments to the Consolidation Analysis." This update is intended to improve targeted areas of consolidation guidance by simplifying the consolidation evaluation process, and by placing more emphasis on risk of loss when determining a controlling financial interest. The provisions of this ASU are effective for interim and annual periods beginning after December 15, 2015. We are currently evaluating the impact of this ASU. In April 2015, the FASB issued ASU No. 2015-03, "Simplifying the Presentation of Debt Issuance Costs." This ASU more closely aligns the treatment of debt issuance costs with debt discounts and premiums and requires debt issuance costs be presented as a direct deduction from the carrying amount of the related debt. The amendments in this ASU are effective for financial statements issued for fiscal years beginning after December 15, 2015 and interim periods within those fiscal years. This ASU is not expected to have a significant impact on our financial statements or disclosures.

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]

Schedule of Variable Interest Entities [Table Text Block]



(Dollars in millions)
Current assets	$	1,947
Noncurrent assets	963
Total assets	$	2,910

Current liabilities	$	1,946
Noncurrent liabilities	1,437
Total liabilities	$	3,383

Schedule of Goodwill [Table Text Block]



(Dollars in millions)	Balance as of January 1, 2015		Goodwill Resulting from Business Combinations		Foreign Currency Translation and Other			Balance as of June 30, 2015
Otis	$	1,664	$	6	$	(67	)	$	1,603
UTC Climate, Controls & Security	9,408		348		(121		)	9,635
Pratt & Whitney	1,481		36		—			1,517
UTC Aerospace Systems	14,892		—		(61		)	14,831
Sikorsky	347		—		(3		)	344
Total Segments	27,792		390		(252		)	27,930
Eliminations and other	4		—		(1		)	3
Total	$	27,796	$	390	$	(253	)	$	27,933

Intangible Assets Disclosure [Table Text Block]



	June 30, 2015					December 31, 2014
(Dollars in millions)	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Amortized:
Service portfolios	$	2,006	$	(1,295	)	$	2,103	$	(1,309	)
Patents and trademarks	389		(196		)	361		(190		)
IAE collaboration	3,118		(45		)	2,872		(20		)
Customer relationships and other	12,434		(2,835		)	12,189		(2,623		)
	17,947		(4,371		)	17,525		(4,142		)
Unamortized:
Trademarks and other	2,130		—			2,177		—
Total	$	20,077	$	(4,371	)	$	19,702	$	(4,142	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]



(Dollars in millions)	Remaining 2015		2016		2017		2018		2019		2020
Amortization expense	$	337	$	714	$	745	$	771	$	767	$	777

- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

+ References + Details

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions, except per share amounts; shares in millions)	2015		2014		2015		2014
Net income attributable to common shareowners	$	1,542	$	1,680	$	2,968	$	2,893

Basic weighted average number of shares outstanding	877.3		900.1		884.8		900.3
Stock awards and equity units	12.1		14.6		13.0		14.5
Diluted weighted average number of shares outstanding	889.4		914.7		897.8		914.8
Earnings Per Share of Common Stock:
Basic	$	1.76	$	1.87	$	3.35	$	3.21
Diluted	1.73		1.84		3.31		3.16

Inventories and Contracts in Progress (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]



(Dollars in millions)	June 30, 2015			December 31, 2014
Raw materials	$	2,011		$	2,056
Work-in-process	3,881			3,596
Finished goods	4,116			3,776
Contracts in progress	8,579			8,189
	18,587			17,617
Less:
Progress payments, secured by lien, on U.S. Government contracts	(498		)	(300		)
Billings on contracts in progress	(7,794		)	(7,452		)
	$	10,295		$	9,865

Borrowings and Lines of Credit (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Schedule of Short-Term Debt [Table Text Block]



(Dollars in millions)	June 30, 2015		December 31, 2014
Commercial paper	$	2,500	$	—
Other borrowings	282		126
Total short-term borrowings	$	2,782	$	126

Schedule of Long-term Debt [Table Text Block]

Long-term debt consisted of the following:



(Dollars in millions)	June 30, 2015		December 31, 2014
LIBOR plus 0.500% floating rate notes due 2015	$	—	$	500
4.875% notes due 2015	—		1,200
5.375% notes due 2017 ¹	1,000		1,000
1.800% notes due 2017 ¹	1,500		1,500
1.778% junior subordinated notes due 2018	1,100		—
6.800% notes due 2018 ⁴	99		99
6.125% notes due 2019 ¹	1,250		1,250
8.875% notes due 2019	271		271
4.500% notes due 2020 ¹	1,250		1,250
4.875% notes due 2020 ⁴	171		171
8.750% notes due 2021	250		250
3.100% notes due 2022 ¹	2,300		2,300
1.550% junior subordinated notes due 2022	—		1,100
1.250% notes due 2023 (€750 million principal value) ²	841		—
7.100% notes due 2027 ⁴	141		141
6.700% notes due 2028	400		400
7.500% notes due 2029 ¹	550		550
5.400% notes due 2035 ¹	600		600
6.050% notes due 2036 ¹	600		600
6.800% notes due 2036 ⁴	134		134
7.000% notes due 2038 ⁴	159		159
6.125% notes due 2038 ¹	1,000		1,000
5.700% notes due 2040 ¹	1,000		1,000
4.500% notes due 2042 ¹	3,500		3,500
4.150% notes due 2045 ³	850		—
Project financing obligations	199		147
Other (including capitalized leases) ⁴	339		378
Total principal long-term debt	19,504		19,500
Other (fair market value adjustments and discounts) ⁴	157		168
Total long-term debt	19,661		19,668
Less: current portion	172		1,796
Long-term debt, net of current portion	$	19,489	$	17,872


4	Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

+ Details

Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Defined Pension, Defined Contribution and Other Postretirement Benefit Plans [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]



	Pension Benefits Six Months Ended June 30,						Other Postretirement Benefits Six Months Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	249		$	244		$	2		$	2
Interest cost	701			760			16			20
Expected return on plan assets	(1,134		)	(1,108		)	—			—
Amortization	(5		)	(4		)	—			—
Recognized actuarial net loss (gain)	442			214			(2		)	(2		)
Net settlement and curtailment loss	9			6			—			—
Total net periodic benefit cost	$	262		$	112		$	16		$	20



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions)	2015		2014		2015		2014
Defined benefit plans	$	25	$	60	$	70	$	144
Defined contribution plans	$	86	$	80	$	182	$	170



	Pension Benefits Quarter Ended June 30,						Other Postretirement Benefits Quarter Ended June 30,
(Dollars in millions)	2015			2014			2015			2014
Service cost	$	124		$	122		$	1		$	1
Interest cost	350			380			8			10
Expected return on plan assets	(565		)	(554		)	—			—
Amortization	(2		)	(2		)	—			—
Recognized actuarial net loss (gain)	221			107			(1		)	(1		)
Net settlement and curtailment loss	3			6			—			—
Total net periodic benefit cost	$	131		$	59		$	8		$	10

Restructuring and Other Costs (Tables)

6 Months Ended

Jun. 30, 2015

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs [Table Text Block]



(Dollars in millions)	Expected Costs		Costs Incurred in 2014			Costs Incurred Quarter Ended March 31, 2015			Costs Incurred Quarter Ended June 30, 2015			Remaining Costs at June 30, 2015
Otis	$	130	$	(98	)	$	(6	)	$	(4	)	$	22
UTC Climate, Controls & Security	128		(86		)	(7		)	(18		)	17
Pratt & Whitney	83		(64		)	(10		)	(2		)	7
UTC Aerospace Systems	83		(72		)	—			(1		)	10
Sikorsky	20		(20		)	—			—			—
Eliminations and other	5		(5		)	—			—			—
Total	$	449	$	(345	)	$	(23	)	$	(25	)	$	56



(Dollars in millions)	Expected Costs		Costs Incurred Quarter Ended March 31, 2015			Costs Incurred Quarter Ended June 30, 2015			Remaining Costs at June 30, 2015
Otis	$	11	$	—		$	(4	)	$	7
UTC Climate, Controls & Security	34		(16		)	(12		)	6
Pratt & Whitney	3		(1		)	(2		)	—
UTC Aerospace Systems	53		(47		)	4			10
Sikorsky	49		—			(26		)	23
Eliminations and other	1		—			(1		)	—
Total	$	151	$	(64	)	$	(41	)	$	46



(Dollars in millions)
Cost of sales	$	87
Selling, general and administrative	68
Total	$	155



(Dollars in millions)
Otis	$	14
UTC Climate, Controls & Security	52
Pratt & Whitney	15
UTC Aerospace Systems	50
Sikorsky	23
Eliminations and other	1
Total	$	155

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]



(Dollars in millions)	Severance			Asset Write-Downs			Facility Exit, Lease Termination and Other Costs			Total
Restructuring accruals at April 1, 2015	$	130		$	—		$	8		$	138
Net pre-tax restructuring costs	21			1			3			25
Utilization and foreign exchange	(28		)	(1		)	(5		)	(34		)
Balance at June 30, 2015	$	123		$	—		$	6		$	129



(Dollars in millions)	Severance			Facility Exit, Lease Termination and Other Costs			Total
Restructuring accruals at April 1, 2015	$	61		$	—		$	61
Net pre-tax restructuring costs	40			1			41
Utilization and foreign exchange	(12		)	(1		)	(13		)
Balance at June 30, 2015	$	89		$	—		$	89

Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Derivative Instruments, Gain (Loss) [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]



	Asset Derivatives				Liability Derivatives
(Dollars in millions)	June 30, 2015		December 31, 2014		June 30, 2015		December 31, 2014
Derivatives designated as hedging instruments	$	18	$	3	$	272	$	248
Derivatives not designated as hedging instruments	56		139		67		71

Reclassification out of Accumulated Other Comprehensive Income [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Derivative Instruments, Gain (Loss) [Table Text Block]

The amount of gains and losses related to the Company's derivative financial instruments was as follows:



	Quarter Ended June 30,				Six Months Ended June 30,
(Dollars in millions)	2015		2014		2015			2014
Gain (loss) recorded in Accumulated other comprehensive loss	$	62	$	102	$	(122	)	$	22
Loss reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	$	43	$	13	$	100		$	31

Other Income [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Derivative Instruments, Gain (Loss) [Table Text Block]

The effect on the Condensed Consolidated Statement of Operations of foreign exchange contracts not designated as hedging instruments was as follows:



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015		2014			2015		2014
Gain (loss) recognized in Other income, net	$	12	$	(14	)	$	30	$	12

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]



	June 30, 2015						December 31, 2014
(Dollars in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Long-term receivables	$	147		$	145		$	214		$	204
Customer financing notes receivable	342			337			262			260
Short-term borrowings	(2,782		)	(2,782		)	(126		)	(126		)
Long-term debt (excluding capitalized leases)	(19,634		)	(21,872		)	(19,634		)	(22,254		)
Long-term liabilities	(264		)	(289		)	(80		)	(74		)

The following table provides the valuation hierarchy classification of assets and liabilities that are not carried at fair value in our Condensed Consolidated Balance Sheet as of June 30, 2015:



(Dollars in millions)	Total			Level 1		Level 2			Level 3
Long-term receivables	$	145		$	—	$	145		$	—
Customer financing notes receivable	337			—		337			—
Short-term borrowings	(2,782		)	—		(2,645		)	(137		)
Long-term debt (excluding capitalized leases)	(21,872		)	—		(21,480		)	(392		)
Long-term liabilities	(289		)	—		(289		)	—

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]



December 31, 2014 (Dollars in millions)	Total			Level 1		Level 2			Level 3
Recurring fair value measurements:
Available-for-sale securities	$	961		$	961	$	—		$	—
Derivative assets	142			—		142			—
Derivative liabilities	(319		)	—		(319		)	—
Nonrecurring fair value measurements:
Business dispositions	3			—		3			—



June 30, 2015 (Dollars in millions)	Total			Level 1		Level 2			Level 3
Recurring fair value measurements:
Available-for-sale securities	$	920		$	920	$	—		$	—
Derivative assets	74			—		74			—
Derivative liabilities	(339		)	—		(339		)	—

Long-Term Financing Receivables (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Financing Receivable Credit Quality Indicators [Table Text Block]



(Dollars in millions)	June 30, 2015		December 31, 2014
Long-term trade accounts receivable	$	1,154	$	1,045
Notes and leases receivable	465		381
Total long-term receivables	$	1,619	$	1,426

Shareowners' Equity and Noncontrolling Interest (Tables)

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]



	Six Months Ended June 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	31,213		$	1,351		$	32,564		$	31,866		$	1,353		$	33,219
Comprehensive income for the period:
Net income	2,968			182			3,150			2,893			203			3,096
Total other comprehensive (loss) income	84			(40		)	44			477			(7		)	470
Total comprehensive income for the period	3,052			142			3,194			3,370			196			3,566
Common Stock issued under employee plans	237			—			237			290			—			290
Common Stock repurchased	(3,000		)	—			(3,000		)	(670		)	—			(670		)
Dividends on Common Stock	(1,096		)	—			(1,096		)	(1,026		)	—			(1,026		)
Dividends on ESOP Common Stock	(37		)	—			(37		)	(36		)	—			(36		)
Dividends attributable to noncontrolling interest	—			(116		)	(116		)	—			(100		)	(100		)
Sale (purchase) of subsidiary shares from noncontrolling interest	11			10			21			(9		)	(6		)	(15		)
Acquisition of noncontrolling interest	—			173			173			—			—			—
Disposition of noncontrolling interest	—			(3		)	(3		)	—			3			3
Redeemable noncontrolling interest	(3		)	5			2			—			(38		)	(38		)
Other	—			(1		)	(1		)	—			—			—
Equity, end of period	$	30,377		$	1,561		$	31,938		$	33,785		$	1,408		$	35,193



	Quarter Ended June 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	28,650		$	1,517		$	30,167		$	32,317		$	1,378		$	33,695
Comprehensive income for the period:
Net income	1,542			110			1,652			1,680			110			1,790
Total other comprehensive income	634			—			634			538			—			538
Total comprehensive income for the period	2,176			110			2,286			2,218			110			2,328
Common Stock issued under employee plans	112			—			112			125			—			125
Common Stock repurchased	—			—			—			(335		)	—			(335		)
Dividends on Common Stock	(543		)	—			(543		)	(512		)	—			(512		)
Dividends on ESOP Common Stock	(18		)	—			(18		)	(18		)	—			(18		)
Dividends attributable to noncontrolling interest	—			(61		)	(61		)	—			(44		)	(44		)
Purchase of subsidiary shares from noncontrolling interest	—			(4		)	(4		)	(10		)	(30		)	(40		)
Acquisition of noncontrolling interest	—			1			1			—			—			—
Disposition of noncontrolling interest	—			—			—			—			3			3
Redeemable noncontrolling interest	1			(1		)	—			—			(9		)	(9		)
Other	(1		)	(1		)	(2		)	—			—			—
Equity, end of period	$	30,377		$	1,561		$	31,938		$	33,785		$	1,408		$	35,193

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

A summary of the changes in each component of accumulated other comprehensive income (loss), net of tax for the quarters and six months ended June 30, 2015 and 2014 is provided below:



(Dollars in millions)	Foreign Currency Translation			Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended June 30, 2015
Balance at March 31, 2015	$	(1,718	)	$	(5,537	)	$	344		$	(300	)	$	(7,211	)
Other comprehensive income (loss) before reclassifications, net	439			(4		)	4			49			488
Amounts reclassified, pretax	1			218			(26		)	43			236
Tax (benefit) expense reclassified	—			(82		)	8			(16		)	(90		)
Balance at June 30, 2015	$	(1,278	)	$	(5,405	)	$	330		$	(224	)	$	(6,577	)

Six Months Ended June 30, 2015
Balance at December 31, 2014	$	(1,051	)	$	(5,709	)	$	308		$	(209	)	$	(6,661	)
Other comprehensive (loss) income before reclassifications, net	(226		)	31			58			(83		)	(220		)
Amounts reclassified, pretax	(1		)	435			(54		)	100			480
Tax (benefit) expense reclassified	—			(162		)	18			(32		)	(176		)
Balance at June 30, 2015	$	(1,278	)	$	(5,405	)	$	330		$	(224	)	$	(6,577	)



(Dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended June 30, 2014
Balance at March 31, 2014	$	71	$	(3,184	)	$	301		$	(129	)	$	(2,941	)
Other comprehensive income (loss) before reclassifications, net	424		(12		)	(28		)	80			464
Amounts reclassified, pretax	—		104			(6		)	13			111
Tax (benefit) expense reclassified	—		(35		)	5			(7		)	(37		)
Balance at June 30, 2014	$	495	$	(3,127	)	$	272		$	(43	)	$	(2,403	)

Six Months Ended June 30, 2014
Balance at December 31, 2013	$	170	$	(3,267	)	$	296		$	(79	)	$	(2,880	)
Other comprehensive income (loss) before reclassifications, net	322		1			(6		)	15			332
Amounts reclassified, pretax	3		208			(30		)	31			212
Tax (benefit) expense reclassified	—		(69		)	12			(10		)	(67		)
Balance at June 30, 2014	$	495	$	(3,127	)	$	272		$	(43	)	$	(2,403	)

Temporary Equity [Table Text Block]



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015			2014		2015			2014
Redeemable noncontrolling interest, beginning of period	$	135		$	137	$	140		$	111
Net income	3			1		4			7
Foreign currency translation	(2		)	2		(9		)	—
Dividends attributable to noncontrolling interest	—			—		(3		)	(3		)
Purchase of subsidiary shares from noncontrolling interest	(1		)	—		(1		)	—
Redeemable noncontrolling interest fair value adjustment	(1		)	—		3			—
Redeemable noncontrolling interest reclassification to noncontrolling interest	—			6		—			31
Redeemable noncontrolling interest, end of period	$	134		$	146	$	134		$	146

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block]



	Quarter Ended June 30,					Six Months Ended June 30,
(Dollars in millions)	2015		2014			2015			2014
Net income attributable to common shareowners	$	1,542	$	1,680		$	2,968		$	2,893
Transfers to noncontrolling interests:
Increase in common stock for sale of subsidiary shares	—		—			23			4
Decrease in common stock for purchase of subsidiary shares	—		(10		)	(12		)	(13		)
Net income attributable to common shareowners after transfers to noncontrolling interests	$	1,542	$	1,670		$	2,979		$	2,884

Guarantees (Tables)

6 Months Ended

Jun. 30, 2015

Service and Product Warranties and Product Performance Guarantees [Abstract]

Product Warranty Disclosure [Table Text Block]



(Dollars in millions)	2015			2014
Balance as of January 1	$	1,313		$	1,360
Warranties and performance guarantees issued	132			121
Settlements made	(141		)	(168		)
Other	(19		)	(9		)
Balance as of June 30	$	1,285		$	1,304

Segment Financial Data (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]



	Net Sales						Operating Profits						Operating Profit Margins
(Dollars in millions)	2015			2014			2015			2014			2015		2014
Otis	$	3,098		$	3,365		$	627		$	693		20.2	%	20.6	%
UTC Climate, Controls & Security	4,454			4,429			823			815			18.5	%	18.4	%
Pratt & Whitney	3,677			3,592			487			432			13.2	%	12.0	%
UTC Aerospace Systems	3,632			3,636			580			602			16.0	%	16.6	%
Sikorsky	1,691			2,384			165			(317		)	9.8	%	(13.3	)%
Total segments	16,552			17,406			2,682			2,225			16.2	%	12.8	%
Eliminations and other	(219		)	(215		)	(10		)	249
General corporate expenses	—			—			(120		)	(119		)
Consolidated	$	16,333		$	17,191		$	2,552		$	2,355		15.6	%	13.7	%



	Net Sales						Operating Profits						Operating Profit Margins
(Dollars in millions)	2015			2014			2015			2014			2015		2014
Otis	$	5,843		$	6,320		$	1,154		$	1,263		19.8	%	20.0	%
UTC Climate, Controls & Security	8,306			8,280			1,552			1,352			18.7	%	16.3	%
Pratt & Whitney	7,009			6,921			906			820			12.9	%	11.8	%
UTC Aerospace Systems	7,180			7,086			1,149			1,192			16.0	%	16.8	%
Sikorsky	2,958			3,745			257			(231		)	8.7	%	(6.2	)%
Total segments	31,296			32,352			5,018			4,396			16.0	%	13.6	%
Eliminations and other	(422		)	(416		)	38			288
General corporate expenses	—			—			(230		)	(231		)
Consolidated	$	30,874		$	31,936		$	4,826		$	4,453		15.6	%	13.9	%

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (General Information) (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Cost Of Acquired Entities and Interest in Affiliates		$ 273
Noncash or Part Noncash Acquisition, Debt Assumed		17
Sikorsky [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Agreed Upon Selling Price of Disposal Business	$ 9,000	$ 9,000
Subsequent Event, Description	we announced an agreement to sell our Sikorsky Aircraft business (Sikorsky) to Lockheed Martin Corp.
Subsequent Event, Date	Jul. 20, 2015

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (IAE Collaboration) (Details)	6 Months Ended
	Jun. 30, 2015
IAE Collaboration [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	61.00%
International Aero Engines AG [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	49.50%

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Variable Interest Entity) (Details) $ in Millions	Jun. 30, 2015 USD ($)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Current Assets	$ 1,947
Noncurrent Assets	963
Total Assets	2,910
Current Liabilities	1,946
Noncurrent Liabilities	1,437
Total Liabilities	$ 3,383

Acquisition, Dispositions, Goodwill and Other Intangible Assets (Goodwill) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Line Items]
Goodwill - Beginning Balance	$ 27,796
Goodwill Resulting from Business Combinations	390
Goodwill - Foreign Currency Translation and Other	(253)
Goodwill - Ending Balance	27,933
Otis [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	1,664
Goodwill Resulting from Business Combinations	6
Goodwill - Foreign Currency Translation and Other	(67)
Goodwill - Ending Balance	1,603
UTC Climate, Controls & Security [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	9,408
Goodwill Resulting from Business Combinations	348
Goodwill - Foreign Currency Translation and Other	(121)
Goodwill - Ending Balance	9,635
Pratt & Whitney [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	1,481
Goodwill Resulting from Business Combinations	36
Goodwill - Foreign Currency Translation and Other	0
Goodwill - Ending Balance	1,517
UTC Aerospace Systems [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	14,892
Goodwill Resulting from Business Combinations	0
Goodwill - Foreign Currency Translation and Other	(61)
Goodwill - Ending Balance	14,831
Sikorsky [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	347
Goodwill Resulting from Business Combinations	0
Goodwill - Foreign Currency Translation and Other	(3)
Goodwill - Ending Balance	344
Total Segments [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	27,792
Goodwill Resulting from Business Combinations	390
Goodwill - Foreign Currency Translation and Other	(252)
Goodwill - Ending Balance	27,930
Eliminations and other [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	4
Goodwill Resulting from Business Combinations	0
Goodwill - Foreign Currency Translation and Other	(1)
Goodwill - Ending Balance	$ 3

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 17,947		$ 17,947		$ 17,525
Accumulated Amortization	4,371		4,371		4,142
Unamortized: Trademarks and Other	2,130		2,130		2,177
Total Intangible Assets Gross Excluding Goodwill	20,077		20,077		19,702
Amortization of Intangible Assets	179	$ 178	358	$ 357
Service portfolios [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	2,006		2,006		2,103
Accumulated Amortization	1,295		1,295		1,309
Patents and trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	389		389		361
Accumulated Amortization	196		196		190
IAE collaboration [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	3,118		3,118		2,872
Accumulated Amortization	45		45		20
Customer relationships and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	12,434		12,434		12,189
Accumulated Amortization	$ 2,835		$ 2,835		$ 2,623

Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Amortization Expense) (Details) $ in Millions	Jun. 30, 2015 USD ($)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Amortization Expense, Remaining 2015	$ 337
Amortization Expense, 2016	714
Amortization Expense, 2017	745
Amortization Expense, 2018	771
Amortization Expense, 2019	767
Amortization Expense, 2020	$ 777

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net income attributable to common shareowners	$ 1,542	$ 1,680	$ 2,968	$ 2,893
Basic weighted average number of shares outstanding	877,300,000.0	900,100,000.0	884,800,000.0	900,300,000.0
Stock awards and equity units	12,100,000.0	14,600,000.0	13,000,000.0	14,500,000.0
Diluted weighted average number of shares outstanding	889,400,000.0	914,700,000.0	897,800,000.0	914,800,000.0
Basic	$ 1.76	$ 1.87	$ 3.35	$ 3.21
Diluted	$ 1.73	$ 1.84	$ 3.31	$ 3.16
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	400,000	0	400,000	0

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Inventories and Contracts in Progress (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Raw materials	$ 2,011	$ 2,056
Work-in-process	3,881	3,596
Finished goods	4,116	3,776
Contracts in progress	8,579	8,189
Inventory before payments and billings	18,587	17,617
Progress payments, secured by lien, on U.S. Government contracts	498	300
Billings on contracts in progress	7,794	7,452
Inventories and contracts in progress, net	10,295	9,865
UTC Aerospace Systems [Member]
Inventory [Line Items]
Other Inventory, Capitalized Costs, Gross	$ 185	$ 141

Borrowings and Lines of Credit (Short-Term Borrowings) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
Commercial paper	$ 2,500	$ 0
Other borrowings	282	126
Short-term borrowings	$ 2,782	$ 126

Borrowing and Lines of Credit (Narrative) (Details)	3 Months Ended	6 Months Ended
Borrowing and Lines of Credit (Narrative) (Details)	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)
Line of Credit Facility [Line Items]
Aggregate Line of Credit Facility Maximum Borrowing Capacity	$ 4,350,000,000	$ 4,350,000,000
Maximum Commercial Paper Borrowing Authority	4,350,000,000	4,350,000,000
Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,200,000,000	2,200,000,000
Line of Credit Facility, Amount Outstanding	0	$ 0
Line of Credit Facility, Expiration Date		May 23, 2019
Multicurrency Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,150,000,000	$ 2,150,000,000
Line of Credit Facility, Amount Outstanding	0	$ 0
Line of Credit Facility, Expiration Date		May 23, 2019
Short term Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date		Mar. 11, 2015
Line of Credit Facility, Increase (Decrease), Other, Net	$ (1,500,000,000)

Borrowings and Lines of Credit (Long-Term Debt) (Details) - USD ($)
$ in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2015

Dec. 31, 2014

Borrowings and Lines of Credit Borrowings and lines of Credit (Second Quarter Actions) (Details) - 3 months ended Jun. 30, 2015 € in Millions, shares in Millions, $ in Millions	USD ($) shares	EUR (€) shares
1.550% junior subordinated notes due 2022 [Member]
Debt Instrument [Line Items]
Remarketing of Debt Instrument, Date	May 04, 2015	May 04, 2015
Notes 4.150% Due 2045 [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt	$ 850
Debt Instrument, Issuance Date	May 04, 2015	May 04, 2015
Notes 4.875% Due 2015 [Member]
Debt Instrument [Line Items]
Repayment of Debt, Date	May 01, 2015	May 01, 2015
Repayments of Debt	$ 1,200
LIBOR Plus 0.500% Floating Rate Notes Due 2015 [Member]
Debt Instrument [Line Items]
Repayment of Debt, Date	Jun. 01, 2015	Jun. 01, 2015
Repayments of Debt	$ 500
Junior subordinated notes 1.778% due 2018 [Member]
Debt Instrument [Line Items]
Long Term Debt Remarketing, Expected Proceeds	$ 1,100
Remarketing of Long Term Debt, Date Proceeds Received	Aug. 03, 2015	Aug. 03, 2015
Long Term Debt Remarketing, Number of Shares Issued \| shares	11.3	11.3
Notes 1.250% due 2023 [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt \| €		€ 750
Debt Instrument, Issuance Date	May 22, 2015	May 22, 2015

Income Taxes (Details) $ in Millions	Jun. 30, 2015 USD ($)
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	$ 25
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	$ 460

Employee Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Employee Benefit Plans (Details) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plans	$ 25	$ 60	$ 70	$ 144
Defined Contribution Plans	86	80	182	170
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	124	122	249	244
Interest Cost	350	380	701	760
Expected Return on Plan Assets	565	554	1,134	1,108
Amortization	(2)	(2)	(5)	(4)
Recognized actuarial net loss (gain)	(221)	(107)	(442)	(214)
Net settlement and curtailment loss	(3)	(6)	(9)	(6)
Total net periodic benefit cost	131	59	262	112
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	1	1	2	2
Interest Cost	8	10	16	20
Expected Return on Plan Assets	0	0	0	0
Amortization	0	0	0	0
Recognized actuarial net loss (gain)	1	1	2	2
Net settlement and curtailment loss	0	0	0	0
Total net periodic benefit cost	$ 8	$ 10	16	20
United States Pension Plans Of US Entity Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plans			$ 0	$ 0

Restructuring and Other Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			$ 155
Restructuring Reserve, Two Years Prior Actions	$ 55		55
Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	61
Net pre-tax restructuring costs	41		105
Utilization and foreign exchange	13
Restructuring Reserve Ending Balance	89	$ 61	89
Restructuring and Related Cost, Incurred Cost	41	64
Restructuring and Related Cost, Expected Cost	151		151
Restructuring And Related Cost Expected Remaining	46		46
Current Year Actions [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	61
Net pre-tax restructuring costs	40
Utilization and foreign exchange	12
Restructuring Reserve Ending Balance	89	61	89
Current Year Actions [Member] \| Facility Exit, Lease Termination and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	0
Net pre-tax restructuring costs	1
Utilization and foreign exchange	1
Restructuring Reserve Ending Balance	0	0	0
Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	138
Net pre-tax restructuring costs	25		48
Utilization and foreign exchange	34
Restructuring Reserve Ending Balance	129	138	129
Restructuring and Related Cost, Incurred Cost	25	23		$ 345
Restructuring and Related Cost, Expected Cost	449		449
Restructuring And Related Cost Expected Remaining	56		56
Prior Year Actions [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	130
Net pre-tax restructuring costs	21
Utilization and foreign exchange	28
Restructuring Reserve Ending Balance	123	130	123
Prior Year Actions [Member] \| Asset Write-Downs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	0
Net pre-tax restructuring costs	1
Utilization and foreign exchange	1
Restructuring Reserve Ending Balance	0	0	0
Prior Year Actions [Member] \| Facility Exit, Lease Termination and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Beginning Balance	8
Net pre-tax restructuring costs	3
Utilization and foreign exchange	5
Restructuring Reserve Ending Balance	6	8	6
Otis [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			14
Otis [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	4	0
Restructuring and Related Cost, Expected Cost	11		11
Restructuring And Related Cost Expected Remaining	7		7
Otis [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	4	6		98
Restructuring and Related Cost, Expected Cost	130		130
Restructuring And Related Cost Expected Remaining	22		22
UTC Climate, Controls & Security [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			52
UTC Climate, Controls & Security [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	12	16
Restructuring and Related Cost, Expected Cost	34		34
Restructuring And Related Cost Expected Remaining	6		6
UTC Climate, Controls & Security [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	18	7		86
Restructuring and Related Cost, Expected Cost	128		128
Restructuring And Related Cost Expected Remaining	17		17
Pratt & Whitney [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			15
Pratt & Whitney [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	2	1
Restructuring and Related Cost, Expected Cost	3		3
Restructuring And Related Cost Expected Remaining	0		0
Pratt & Whitney [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	2	10		64
Restructuring and Related Cost, Expected Cost	83		83
Restructuring And Related Cost Expected Remaining	7		7
UTC Aerospace Systems [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			50
UTC Aerospace Systems [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	(4)	47
Restructuring and Related Cost, Expected Cost	53		53
Restructuring And Related Cost Expected Remaining	10		10
UTC Aerospace Systems [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1	0		72
Restructuring and Related Cost, Expected Cost	83		83
Restructuring And Related Cost Expected Remaining	10		10
Sikorsky [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			23
Sikorsky [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	26	0
Restructuring and Related Cost, Expected Cost	49		49
Restructuring And Related Cost Expected Remaining	23		23
Sikorsky [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	0	0		20
Restructuring and Related Cost, Expected Cost	20		20
Restructuring And Related Cost Expected Remaining	0		0
Eliminations and other [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			1
Eliminations and other [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1	0
Restructuring and Related Cost, Expected Cost	1		1
Restructuring And Related Cost Expected Remaining	0		0
Eliminations and other [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	0	$ 0		$ 5
Restructuring and Related Cost, Expected Cost	5		5
Restructuring And Related Cost Expected Remaining	$ 0		0
Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			87
Cost Of Sales [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			58
Cost Of Sales [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			27
Selling General and Administrative [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			68
Selling General and Administrative [Member] \| Current Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			47
Selling General and Administrative [Member] \| Prior Year Actions [Member]
Restructuring Cost and Reserve [Line Items]
Net pre-tax restructuring costs			$ 21

Financial Instruments (Narrative) (Details) € in Millions, $ in Billions	3 Months Ended
	Jun. 30, 2015 EUR (€)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Four Quarter Rolling Average of Notional Amount of Foreign Exchange Contracts Hedging Foreign Currency Transactions \| $		$ 15.0	$ 13.9
Notes 1.250% due 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Issuance Date	May 22, 2015
Proceeds from Issuance of Debt \| €	€ 750

Financial Instruments (Fair Value of Derivative Instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives designated as hedging instruments, Asset Derivatives	$ 18	$ 3
Derivatives not designated as hedging instruments, Asset Derivatives	56	139
Derivatives designated as hedging instruments, Liability Derivatives	272	248
Derivatives not designated as hedging instruments, Liability Derivatives	$ 67	$ 71

Fair Value Measurements (Commercial Aerospace Financing Commitments) (Details) - USD ($) $ in Billions	Jun. 30, 2015	Dec. 31, 2014
Commercial Aerospace [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset	$ 10.5	$ 11.3

Long-Term Financing Receivables (Reserve and Additional Information) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Receivables [Abstract]
Long Term Receivables High Credit Risk Percentage	7.00%	7.00%
Financing Receivable Reserve For Credit Losses And Exposure	$ 17	$ 10

Long-Term Financing Receivables(Class and Credit Risk Information) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Net	$ 1,619	$ 1,426
Long-term trade accounts receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Net	1,154	1,045
Notes And leases receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Net	$ 465	$ 381

Guarantees (Details) - USD ($) $ in Millions	6 Months Ended
Guarantees (Details) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014
Service and Product Warranties and Product Performance Guarantees [Abstract]
Balance as of January 1	$ 1,313	$ 1,360
Warranties and performance guarantees issued	132	121
Settlements made	141	168
Other	(19)	(9)
Balance as of June 30	$ 1,285	$ 1,304

Contingent Liabilities (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Contingent Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2015
Department of Justice Lawsuit Against Pratt and Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency Lawsuit Filing Date		1999
Loss Contingency Allegations		As previously disclosed, the United States Government sued us in 1999 in the United States District Court for the Southern District of Ohio, claiming that Pratt & Whitney violated the civil False Claims Act and common law. The claims relate to the “Fighter Engine Competition” between Pratt & Whitney's F100 engine and General Electric's F110 engine. The government alleged that it overpaid for F100 engines under contracts awarded by the U.S. Air Force in fiscal years 1985 through 1990 because Pratt & Whitney inflated its estimated costs for some purchased parts and withheld data that would have revealed the overstatements. At trial, which ended in April 2005, the government claimed Pratt & Whitney's liability to be approximately $624 million.
Loss Contingency Actions Taken By Court Arbitrator Or Mediator		On August 1, 2008, the trial court held that the Air Force had not suffered any actual damages because Pratt & Whitney had made significant price concessions after the alleged overstatements were made. However, the trial court judge found that Pratt & Whitney violated the False Claims Act due to inaccurate statements contained in its 1983 initial engine pricing proposal. In the absence of actual damages, the trial court awarded the government the maximum civil penalty of approximately $7 million, or $10,000 for each of the 709 invoices Pratt & Whitney submitted in 1989 and later under the contracts.
Loss Contingency Actions Taken By Plaintiff And Defendant		In September 2008, both the government and UTC appealed the decision to the United States Court of Appeals for the Sixth Circuit. In November 2010, the Sixth Circuit affirmed Pratt & Whitney's liability for the civil penalty under the False Claims Act, but remanded the case to the trial court for further proceedings on the issues of False Claims Act damages and common law liability and damages.
Loss Contingency, Additional Actions Taken by Court, Arbitrator or Mediator		On June 18, 2012, the trial court found that Pratt & Whitney had breached obligations imposed by common law based on the same conduct with respect to which the court previously found liability under the False Claims Act. Under the common law claims, the U.S. Air Force seeks damages for events occurring before March 3, 1989, which are not recoverable under the False Claims Act.
Loss Contingency, Settlement Agreement, Terms		On June 17, 2013, the trial court awarded the government approximately $473 million in damages and penalties, plus prejudgment interest in an amount to be determined. On July 1, 2013, the trial court, after determining the amount of prejudgment interest, entered judgment in favor of the government in the amount of approximately $664 million. The trial court also awarded post-judgment interest on the full amount of the judgment to accrue from July 2, 2013, at the federal variable interest rate determined pursuant to 28 U.S.C. § 1961. The judgment included four different components: (1) common law damages of approximately $109 million; (2) prejudgment interest on common law damages of approximately $191 million; (3) False Claims Act treble damages of approximately $357 million; and (4) penalties of approximately $7 million. The penalty component of the judgment previously was affirmed by the United States Court of Appeals in 2010.
Loss Contingency Damages Sought		624
Loss Contingency, Period of Occurrence		fiscal years 1985 through 1990
Loss Contingency Actions Taken By Defendant		We filed an appeal from the judgment to the United States Court of Appeals for the Sixth Circuit on August 26, 2013. On April 6, 2015, the Sixth Circuit reversed the trial court’s decision and vacated the prior damages award, noting that the government did not prove any damages. The Court rejected as a matter of law the evidence submitted by the government on damages and remanded the case to the trial court to decide in the first instance whether the government should have another opportunity to prove that it suffered any actual damages. We continue to believe that the government suffered no actual damages as a result of the inaccurate statements made in 1983, and continue not to accrue a reserve beyond the approximately $7 million of penalties referenced above and post-judgment interest on such penalties, which in the aggregate are not material.
Loss Contingency Settlement Agreement Date		6/17/2013
Loss Contingency Damages Awarded Value, Not Including Interest		$ 473
Loss Contingency, Damages Awarded, Value		$ 664
U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency Lawsuit Filing Date		December 24, 2013
Loss Contingency Allegations		By letter dated December 24, 2013, a Divisional Administrative Contracting Officer of the United States Defense Contract Management Agency asserted a claim and demand for payment of approximately $211 million against Pratt & Whitney. The claim is based on Pratt & Whitney's alleged noncompliance with cost accounting standards from January 1, 2005 to December 31, 2012, due to its method of determining the cost of collaborator parts used in the calculation of material overhead costs for government contracts.
Loss Contingency Damages Sought		$211 million
Loss Contingency Actions Taken By Defendant		We believe this claim is without merit. On March 18, 2014, Pratt & Whitney filed an appeal to the Armed Services Board of Contract Appeals.
German Tax Office Against Otis [Member]
Loss Contingencies [Line Items]
Loss Contingency Lawsuit Filing Date		August 3, 2012
Loss Contingency Allegations		As previously disclosed, UTC has been involved in administrative review proceedings with the German Tax Office, which concern approximately €215 million (approximately $241 million) of tax benefits that we have claimed related to a 1998 reorganization of the corporate structure of Otis operations in Germany. Upon audit, these tax benefits were disallowed by the German Tax Office. UTC estimates interest associated with the aforementioned tax benefits is an additional approximately €118 million (approximately $133 million).
Loss Contingency Actions Taken By Plaintiff And Defendant		On August 3, 2012, we filed suit in the local German Tax Court (Berlin-Brandenburg). In 2008 the German Federal Tax Court (FTC) denied benefits to another taxpayer in a case involving a German tax law relevant to our reorganization. The determination of the FTC on this other matter was appealed to the European Court of Justice (ECJ) to determine if the underlying German tax law is violative of European Union principles. On September 17, 2009, the ECJ issued an opinion in this case that is generally favorable to the other taxpayer and referred the case back to the FTC for further consideration of certain related issues. In May 2010, the FTC released its decision, in which it resolved certain tax issues that may be relevant to our suit and remanded the case to a lower court for further development. In 2012, the lower court decided in favor of the other taxpayer and the German Government again appealed the findings to the FTC. In November 2014, the FTC ruled in favor of the German Government, and against the other taxpayer. We believe that the FTC decision in the case involving the other taxpayer is not determinative of the outcome in our case, and we will continue vigorously to litigate the matter. However, in light of the FTC decision in the case involving the other taxpayer, we fully accrued for the matter during the quarter ended December 31, 2014.
Loss Contingency Damages Sought		€215 million (approximately $241 million)
Loss Contingency Actions Taken By Defendant		While we continue to litigate the matter at the local German Tax Court, UTC made tax and interest payments to German tax authorities of €20 million (approximately $22 million) in the quarter ended March 31, 2015 and €217 million (approximately $236 million) in the quarter ended June 30, 2015 to avoid additional interest accruals pending final resolution of this matter.
Loss Contingency, Interest		€118 million (approximately $133 million)
Loss Contingency, Interest Paid	€217 million (approximately $236 million)	€20 million (approximately $22 million)

Accounting Pronouncements (Details)	6 Months Ended
Accounting Pronouncements (Details)	Jun. 30, 2015
ASU 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Description	In May 2014, the FASB issued Accounting Standards Update (ASU) No. 2014-09, "Revenue from Contracts with Customers." This ASU is intended to clarify the principles for recognizing revenue by removing inconsistencies in revenue requirements; providing a more robust framework for addressing revenue issues; improving comparability of revenue recognition practices across entities, industries, jurisdictions and capital markets; and providing more useful information to users of financial statements through improved revenue disclosure requirements. In April 2015, the FASB voted to defer the effective date of the new revenue recognition standard by one year. As a result, the provisions of this ASU are now effective for interim and annual periods beginning after December 15, 2017. We are currently evaluating the impact of this ASU.
ASU 2015-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Description	In February 2015, the FASB issued ASU No. 2015-02, "Amendments to the Consolidation Analysis." This update is intended to improve targeted areas of consolidation guidance by simplifying the consolidation evaluation process, and by placing more emphasis on risk of loss when determining a controlling financial interest. The provisions of this ASU are effective for interim and annual periods beginning after December 15, 2015. We are currently evaluating the impact of this ASU.
ASU 2015-03 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Description	In April 2015, the FASB issued ASU No. 2015-03, "Simplifying the Presentation of Debt Issuance Costs." This ASU more closely aligns the treatment of debt issuance costs with debt discounts and premiums and requires debt issuance costs be presented as a direct deduction from the carrying amount of the related debt. The amendments in this ASU are effective for financial statements issued for fiscal years beginning after December 15, 2015 and interim periods within those fiscal years. This ASU is not expected to have a significant impact on our financial statements or disclosures.