Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 2,946	$ 1,216	$ 1,997
Other Comprehensive Income (Loss)
Change in unrealized gains and losses on investments, net of tax (benefit) of $(50), $92 and $114, respectively	(184)	344	430
Amortization of pension actuarial gains and losses and prior service cost, net of tax (benefit) of $14, $(7) and $2, respectively	54	(25)	5
Change in life deferred acquisition costs, life policy reserves and other, net of tax (benefit) of $2, $1 and $(3), respectively	9	2	(9)
Other comprehensive income (loss)	(121)	321	426
Comprehensive Income	$ 2,825	$ 1,537	$ 2,423