DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	$ 5,901
Amortization	(311)	$ (288)	$ (257)
Balance as of beginning-of-year	6,730	5,901
UL and Other
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	5,579	4,766
Deferrals	1,114	1,074
Amortization	(287)	(261)
Balance as of beginning-of-year	6,406	5,579	4,766
Less: reinsurance recoverables	256	257
Balance as of end-of-year, net of reinsurance	6,150	5,322
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	278	286
Deferrals	19	19
Amortization	(24)	(27)
Balance as of beginning-of-year	273	278	$ 286
Less: reinsurance recoverables	0	0
Balance as of end-of-year, net of reinsurance	$ 273	$ 278