Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 265	$ 1,249	$ 700
Other comprehensive income (loss), net of tax:
Unrealized (losses) gains on securities	(781)	(143)	88
Foreign currency translation adjustment	(42)	(1)	14
Pension benefit adjustment	47	12	(21)
Total other comprehensive (loss) income, net of tax	(776)	(132)	81
Comprehensive (loss) income	(511)	1,117	781
Less: Comprehensive income attributable to noncontrolling interests	2	8	4
Comprehensive (loss) income attributable to the Company	$ (513)	$ 1,109	$ 777