DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	$ 6,730
Amortization	(104)	$ (74)
Balance as of end-of-period	6,910
UL and Other
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	6,406	5,579
Deferrals	279	267
Amortization	(98)	(68)
Balance as of end-of-period	6,587	5,778
Less: Ceded DFEL	237	258
Balance as of end-of-period, net of reinsurance	6,350	5,520
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	273	278
Deferrals	3	5
Amortization	(6)	(6)
Balance as of end-of-period	270	277
Less: Ceded DFEL	0	0
Balance as of end-of-period, net of reinsurance	$ 270	$ 277