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

3 Months Ended

Mar. 31, 2017

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

Changes in our goodwill balances for the quarter ended March 31, 2017 were as follows:



(Dollars in millions)	Balance as of January 1, 2017		Goodwill Resulting from Business Combinations			Foreign Currency Translation and Other		Balance as of March 31, 2017
Otis	$	1,575	$	(7	)	$	57	$	1,625
UTC Climate, Controls & Security	9,487		41			93		9,621
Pratt & Whitney	1,511		—			—		1,511
UTC Aerospace Systems	14,483		—			30		14,513
Total Segments	27,056		34			180		27,270
Eliminations and other	3		—			—		3
Total	$	27,059	$	34		$	180	$	27,273

Intangible Assets Disclosure [Table Text Block]

Identifiable intangible assets are comprised of the following:



	March 31, 2017					December 31, 2016
(Dollars in millions)	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Amortized:
Service portfolios	$	2,073	$	(1,412	)	$	1,995	$	(1,344	)
Patents and trademarks	384		(208		)	378		(201		)
Collaboration intangible assets	3,825		(255		)	3,724		(211		)
Customer relationships and other	12,967		(3,640		)	12,798		(3,480		)
	19,249		(5,515		)	18,895		(5,236		)
Unamortized:
Trademarks and other	2,046		—			2,025		—
Total	$	21,295	$	(5,515	)	$	20,920	$	(5,236	)

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

The following is the expected amortization of intangible assets for the years 2017 through 2022, which reflects the pattern of expected economic benefit on certain aerospace intangible assets.



(Dollars in millions)	Remaining 2017		2018		2019		2020		2021		2022
Amortization expense	$	623	$	855	$	868	$	848	$	817	$	805