DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			$ 5,901
Amortization	$ (79)	$ (74)	(230)	$ (213)
Balance as of end-of-period	6,517		6,517
UL and Other
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			5,579	4,766
Deferrals			826	800
Amortization			(212)	(193)
Balance as of end-of-period	6,193	5,373	6,193	5,373
Less: ceded DFEL	257	0	257	0	$ 257
Balance as of end-of-period, net of reinsurance	5,936	5,373	5,936	5,373
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			278	286
Deferrals			14	14
Amortization			(18)	(20)
Balance as of end-of-period	274	280	274	280
Less: ceded DFEL	0	0	0	0
Balance as of end-of-period, net of reinsurance	$ 274	$ 280	$ 274	$ 280