Segment Financial Data (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

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

	Net Sales									Operating Profits
(dollars in millions)	2016			2015			2014			2016			2015			2014
Otis	$	11,893		$	11,980		$	12,982		$	2,147		$	2,338		$	2,640
UTC Climate, Controls & Security	16,851			16,707			16,823			2,956			2,936			2,782
Pratt & Whitney	14,894			14,082			14,508			1,545			861			2,000
UTC Aerospace Systems	14,465			14,094			14,215			2,298			1,888			2,355
Total segment	58,103			56,863			58,528			8,946			8,023			9,777
Eliminations and other	(859		)	(765		)	(628		)	(368		)	(268		)	304
General corporate expenses	—			—			—			(406		)	(464		)	(488		)
Consolidated	$	57,244		$	56,098		$	57,900		$	8,172		$	7,291		$	9,593

	Total Assets						Capital Expenditures						Depreciation & Amortization
(dollars in millions)	2016		2015		2014		2016		2015		2014		2016		2015		2014
Otis	$	8,867	$	8,846	$	9,313	$	94	$	83	$	87	$	171	$	176	$	209
UTC Climate, Controls & Security	21,787		21,287		21,217		340		261		228		354		337		349
Pratt & Whitney	22,971		20,336		18,143		725		692		692		550		476		390
UTC Aerospace Systems	34,093		34,736		35,034		452		537		533		807		796		807
Total segment	87,718		85,205		83,707		1,611		1,573		1,540		1,882		1,785		1,755
Eliminations and other	1,988		2,279		2,631		88		79		54		80		78		65
Consolidated	$	89,706	$	87,484	$	86,338	$	1,699	$	1,652	$	1,594	$	1,962	$	1,863	$	1,820

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)	2016		2015		2014		2016			2015			2014			2016		2015		2014
United States Operations	$	32,335	$	30,989	$	30,814	$	4,566		$	4,391		$	5,067		$	4,822	$	4,517	$	4,211
International Operations
Europe	11,151		10,945		12,587		1,933			1,882			2,238			1,538		1,525		1,577
Asia Pacific	8,260		8,425		8,746		1,484			1,641			1,712			999		994		995
Other	5,479		5,584		5,511		963			109			760			1,325		1,273		1,379
Eliminations and other	19		155		242		(774		)	(732		)	(184		)	474		423		430
Consolidated	$	57,244	$	56,098	$	57,900	$	8,172		$	7,291		$	9,593		$	9,158	$	8,732	$	8,592

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

(dollars in millions)	2016		2015		2014
Pratt & Whitney	$	3,187	$	2,945	$	3,126
UTC Aerospace Systems	2,301		2,409		2,459
Other	138		276		294
	$	5,626	$	5,630	$	5,879

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

(dollars in millions)	2016		2015		2014
Europe	$	5,065	$	4,366	$	4,137
Asia Pacific	3,449		2,902		3,469
Other	2,313		2,473		2,670
	$	10,827	$	9,741	$	10,276