Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income	$ 368	$ 151	$ 680	$ 90
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	300	1,193	(327)	138
Foreign currency translation adjustment	12	24	14	(53)
Pension and postretirement benefits	10	7	19	18
Other comprehensive income (loss), net of tax	322	1,224	(294)	103
Total comprehensive income	690	1,375	386	193
Net unrealized gains and losses on investments with an allowance for credit losses
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	0	2	0	(9)
Net unrealized gains and losses on other investments
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	$ 300	$ 1,191	$ (327)	$ 147