CONDENSED COMBINED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period Of Adoption, Adjustment	UTC Net Investment	UTC Net Investment Cumulative Effect, Period Of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Cumulative Effect, Period Of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Retained Earnings	Non-Controlling Interest
Balance as of beginning of period at Dec. 31, 2018	$ 14,269	$ 0	$ 15,132	$ 9	$ (1,215)	$ (9)	$ 0	$ 0	$ 0	$ 352
Net income	403		400							3
Other comprehensive (loss) income, net of tax	101				96					5
Dividends attributable to noncontrolling interest	(2)									(2)
Net transfers to parent	(81)		(81)
Balance as of end of period at Mar. 31, 2019	14,690		15,460		(1,128)		0	0	0	358
Balance as of beginning of period at Dec. 31, 2018	14,269	0	15,132	9	(1,215)	$ (9)	0	0	0	352
Net income	1,197
Other comprehensive (loss) income, net of tax	24
Balance as of end of period at Jun. 30, 2019	14,960		15,799		(1,202)		0	0	0	363
Balance as of beginning of period at Mar. 31, 2019	14,690		15,460		(1,128)		0	0	0	358
Net income	794		784							10
Other comprehensive (loss) income, net of tax	(77)				(74)					(3)
Dividends attributable to noncontrolling interest	(2)									(2)
Net transfers to parent	(445)		(445)
Balance as of end of period at Jun. 30, 2019	14,960		15,799		(1,202)		0	0	0	363
Balance as of beginning of period at Dec. 31, 2019	14,435	(4)	15,355	(4)	(1,253)		0	0	0	333
Net income	102		96							6
Other comprehensive (loss) income, net of tax	(485)				(483)					(2)
Dividends attributable to noncontrolling interest	(8)									(8)
Net transfers to parent	(11,014)		(11,014)
Balance as of end of period at Mar. 31, 2020	3,026		4,433		(1,736)		0	0	0	329
Balance as of beginning of period at Dec. 31, 2019	14,435	$ (4)	15,355	$ (4)	(1,253)		0	0	0	333
Net income	371
Other comprehensive (loss) income, net of tax	(227)
Balance as of end of period at Jun. 30, 2020	4,366		0		(1,479)		9	5,307	191	338
Balance as of beginning of period at Mar. 31, 2020	3,026		4,433		(1,736)		0	0	0	329
Net income	269								261	8
Other comprehensive (loss) income, net of tax	258				257					1
Dividends declared on Common Stock	(70)								(70)
Common stock issued under employee plans	24							24
Net transfers to parent	859
Reclassification of UTC Net investment in connection with Separation	0		(5,292)				9	5,283
Balance as of end of period at Jun. 30, 2020	$ 4,366		$ 0		$ (1,479)		$ 9	$ 5,307	$ 191	$ 338