Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

A summary of the changes in each component of Accumulated other comprehensive loss, net of tax for the quarters and nine months ended September 30, 2021 and 2020 is provided below:

(dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post-retirement Plans		Unrealized Hedging Gains (Losses)		Accumulated Other Comprehensive Income (Loss)
Quarter Ended September 30, 2021
Balance at June 30, 2021	$	789	$	(4,402)	$	58	$	(3,555)
Other comprehensive income (loss) before reclassifications, net	(321)		22		(175)		(474)
Amounts reclassified, pre-tax	—		64		8		72
Tax benefit (expense)	(5)		(16)		39		18
Balance at September 30, 2021	$	463	$	(4,332)	$	(70)	$	(3,939)
Nine Months Ended September 30, 2021
Balance at December 31, 2020	$	710	$	(4,483)	$	39	$	(3,734)
Other comprehensive income (loss) before reclassifications, net	(239)		(2)		(113)		(354)
Amounts reclassified, pre-tax	—		192		(26)		166
Tax benefit (expense)	(8)		(39)		30		(17)
Balance at September 30, 2021	$	463	$	(4,332)	$	(70)	$	(3,939)

(dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post-retirement Plans		Unrealized Hedging Gains (Losses)		Accumulated Other Comprehensive Income (Loss)
Quarter Ended September 30, 2020
Balance at June 30, 2020	$	(692)	$	(7,827)	$	(281)	$	(8,800)
Other comprehensive income (loss) before reclassifications, net	605		(12)		117		710
Amounts reclassified, pre-tax	—		95		37		132
Tax benefit (expense)	7		(22)		(39)		(54)
Balance at September 30, 2020	$	(80)	$	(7,766)	$	(166)	$	(8,012)
Nine Months Ended September 30, 2020
Balance at December 31, 2019	$	(3,211)	$	(6,772)	$	(166)	$	(10,149)
Other comprehensive income (loss) before reclassifications, net	(175)		(2,375)		(98)		(2,648)
Amounts reclassified, pre-tax	—		282		93		375
Tax benefit (expense)	19		515		1		535
Separation of Carrier and Otis, net of tax	3,287		584		4		3,875
Balance at September 30, 2020	$	(80)	$	(7,766)	$	(166)	$	(8,012)