Segment Financial Data (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

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

	Net Sales						Operating Profits						Operating Profit Margins
(Dollars in millions)	2016			2015			2016			2015			2016		2015
Otis	$	2,715		$	2,745		$	466		$	527		17.2	%	19.2	%
UTC Climate, Controls & Security	3,728			3,852			606			729			16.3	%	18.9	%
Pratt & Whitney	3,588			3,332			410			419			11.4	%	12.6	%
UTC Aerospace Systems	3,505			3,548			538			569			15.3	%	16.0	%
Total segments	13,536			13,477			2,020			2,244			14.9	%	16.7	%
Eliminations and other	(179		)	(157		)	16			48
General corporate expenses	—			—			(91		)	(110		)
Consolidated	$	13,357		$	13,320		$	1,945		$	2,182		14.6	%	16.4	%