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	$ 5,923
Amortization	(313)	$ (290)	$ (259)
Balance as of beginning-of-year	6,750	5,923
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: ceded DFEL	2,436	2,252
Balance as of end-of-year, net of reinsurance	3,970	3,327
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	300	310
Deferrals	19	19
Amortization	(26)	(29)
Balance as of beginning-of-year	293	300	$ 310
Less: ceded DFEL	0	0
Balance as of end-of-year, net of reinsurance	$ 293	$ 300