DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			$ 5,923
Amortization	$ (78)	$ (72)	(152)	$ (141)
Balance as of end-of-period	6,327		6,327
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			300	310
Deferrals			9	10
Amortization			(13)	(15)
Balance as of end-of-period	296	305	296	305
Less: ceded DFEL	0	0	0	0
Balance as of end-of-period, net of reinsurance	296	305	296	305
UL and Other
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year			5,579	4,766
Deferrals			544	529
Amortization			(139)	(126)
Balance as of end-of-period	5,984	5,169	5,984	5,169
Less: ceded DFEL	2,346	30	2,346	30	$ 2,300
Balance as of end-of-period, net of reinsurance	$ 3,638	$ 5,139	$ 3,638	$ 5,139