Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 2,365	$ 1,737	$ 2,085
Other comprehensive income (loss) (“OCI”):
Change in net unrealized gain on fixed maturities	(1,218)	1,150	1,660
Change in unrealized losses on fixed maturities for which an allowance for credit losses ("ACL") has been recorded	0	1	1
Change in net gain on cash flow hedging instruments	(6)	3	14
Change in foreign currency translation adjustments	(2)	9	4
Change in pension and other postretirement plan adjustments	228	(45)	(48)
OCI, net of tax	(998)	1,118	1,631
Comprehensive income	$ 1,367	$ 2,855	$ 3,716