Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 1,202	$ 690	$ 1,000
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	(708)	720	948
Foreign currency translation adjustment	(19)	47	39
Pension and postretirement benefits	244	(15)	(58)
Other comprehensive (loss) income, net of tax	(483)	752	929
Total comprehensive income	719	1,442	1,929
Investments
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	(2)	0	0
Net unrealized gains and losses on other investments
Other Comprehensive Income (Loss), net of tax
Net unrealized gains and losses on investments	$ (706)	$ 720	$ 948