Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 256	$ 213	$ 936	$ 303
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	(138)	213	(465)	351
Foreign currency translation adjustment	(33)	37	(19)	(16)
Pension and postretirement benefits	8	7	27	25
Other comprehensive (loss) income, net of tax	(163)	257	(457)	360
Total comprehensive income	93	470	479	663
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	6	0	(3)
Net unrealized gains and losses on other investments
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	$ (138)	$ 207	$ (465)	$ 354