Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2021

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Other comprehensive income (loss) on a pre-tax and after-tax basis

Components of other comprehensive income (loss) on a pre-tax and after-tax basis
($ in millions)	Three months ended September 30,
	2021						2020
	Pre-tax		Tax		After-tax		Pre-tax		Tax		After-tax
Unrealized net holding gains and losses arising during the period, net of related offsets	$	(343)	$	73	$	(270)	$	414	$	(88)	$	326
Less: reclassification adjustment of realized capital gains and losses	84		(18)		66		233		(49)		184
Unrealized net capital gains and losses	(427)		91		(336)		181		(39)		142
Unrealized foreign currency translation adjustments	(26)		5		(21)		32		(7)		25
Unamortized pension and other postretirement prior service credit (1)	(19)		4		(15)		48		(10)		38
Other comprehensive (loss) income	$	(472)	$	100	$	(372)	$	261	$	(56)	$	205
	Nine months ended September 30,
	2021						2020
	Pre-tax		Tax		After-tax		Pre-tax		Tax		After-tax
Unrealized net holding gains and losses arising during the period, net of related offsets	$	(1,350)	$	288	$	(1,062)	$	1,777	$	(376)	$	1,401
Less: reclassification adjustment of realized capital gains and losses	367		(77)		290		689		(145)		544
Unrealized net capital gains and losses	(1,717)		365		(1,352)		1,088		(231)		857
Unrealized foreign currency translation adjustments	13		(3)		10		(6)		1		(5)
Unamortized pension and other postretirement prior service credit (1)	(56)		12		(44)		40		(9)		31
Other comprehensive (loss) income	$	(1,760)	$	374	$	(1,386)	$	1,122	$	(239)	$	883

(1)    Represents prior service credits reclassified out of other comprehensive income and amortized into operating costs and expenses.