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 (Loss)	$ (486)	$ 2,946	$ 1,216
Other Comprehensive Income (Loss)
Change in unrealized gains and losses on investments, net of tax (benefit) of $(347), $(50) and $92, respectively	(1,292)	(184)	344
Amortization of pension actuarial gains and losses and prior service cost, net of tax (benefit) of $2, $14 and $(7), respectively	7	54	(25)
Change in life deferred acquisition costs, life policy reserves and other, net of tax of $0, $2 and $1, respectively	1	9	2
Other comprehensive income (loss)	(1,284)	(121)	321
Comprehensive Income (Loss)	$ (1,770)	$ 2,825	$ 1,537