Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 312	$ 534	$ 1,067	$ 759
Change in unrealized gains and losses on investments, net of tax (benefit) of $(17), $(32), $(28) and $3, respectively	(58)	(122)	(102)	6
Amortization of pension actuarial loss (gain) and prior service cost, net of tax (benefit) of $0, $(1), $0 and $(2), respectively	1	0	1	(5)
Change in life policy reserves, reinsurance recoverable and other, net of tax (benefit) of $8, $6, $18 and $(3), respectively	29	23	66	(13)
Other comprehensive loss	(28)	(99)	(35)	(12)
Comprehensive Income	$ 284	$ 435	$ 1,032	$ 747