Segment Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Schedule Of Segment Reporting Information By Segment [Table Text Block]

	Total Assets						Capital Expenditures						Depreciation & Amortization
(dollars in millions)	2015		2014		2013		2015		2014		2013		2015		2014		2013
Otis	$	8,846	$	9,313	$	9,354	$	83	$	87	$	122	$	176	$	209	$	209
UTC Climate, Controls & Security	21,287		21,217		21,543		261		228		266		337		349		380
Pratt & Whitney	20,336		18,143		17,062		692		692		617		476		390		319
UTC Aerospace Systems	34,736		35,034		35,461		537		533		510		796		807		761
Total segment	85,205		83,707		83,420		1,573		1,540		1,515		1,785		1,755		1,669
Eliminations and other	2,279		2,631		1,609		79		54		54		78		65		66
Consolidated	$	87,484	$	86,338	$	85,029	$	1,652	$	1,594	$	1,569	$	1,863	$	1,820	$	1,735

	Net Sales									Operating Profits
(dollars in millions)	2015			2014			2013			2015			2014			2013
Otis	$	11,980		$	12,982		$	12,484		$	2,338		$	2,640		$	2,590
UTC Climate, Controls & Security	16,707			16,823			16,809			2,936			2,782			2,590
Pratt & Whitney	14,082			14,508			14,501			861			2,000			1,876
UTC Aerospace Systems	14,094			14,215			13,347			1,888			2,355			2,018
Total segment	56,863			58,528			57,141			8,023			9,777			9,074
Eliminations and other	(765		)	(628		)	(541		)	(268		)	304			(44		)
General corporate expenses	—			—			—			(464		)	(488		)	(481		)
Consolidated	$	56,098		$	57,900		$	56,600		$	7,291		$	9,593		$	8,549

Schedule of Revenues From External Customers And Long Lived Assets By Geographic Areas [Table Text Block]

	External Net Sales						Operating Profits									Long-Lived Assets
(dollars in millions)	2015		2014		2013		2015			2014			2013			2015		2014		2013
United States Operations	$	30,989	$	30,814	$	29,901	$	4,391		$	5,067		$	4,272		$	4,517	$	4,211	$	3,918
International Operations
Europe	10,945		12,587		12,589		1,882			2,238			2,333			1,525		1,577		1,715
Asia Pacific	8,425		8,746		8,626		1,641			1,712			1,770			994		995		939
Other	5,584		5,511		5,269		109			760			699			1,273		1,379		1,199
Eliminations and other	155		242		215		(732		)	(184		)	(525		)	423		430		427
Consolidated	$	56,098	$	57,900	$	56,600	$	7,291		$	9,593		$	8,549		$	8,732	$	8,592	$	8,198

Schedule Of Revenue By Major Customers By Reporting Segments [Table Text Block]

(dollars in millions)	2015		2014		2013
Pratt & Whitney	$	2,945	$	3,126	$	3,559
UTC Aerospace Systems	2,409		2,459		2,530
Other	276		294		253
	$	5,630	$	5,879	$	6,342

Revenue from External Customers by Geographic Areas [Table Text Block]

(dollars in millions)	2015		2014		2013
Europe	$	4,366	$	4,137	$	3,931
Asia Pacific	2,902		3,469		3,963
Other	2,473		2,670		2,565
	$	9,741	$	10,276	$	10,459