Realized Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fixed maturity AFS securities:
Gross gains	$ 12	$ 3	$ 20	$ 19
Gross losses	(17)	(18)	(81)	(196)
Credit loss benefit (expense)	(18)	(14)	(65)	(39)
Realized gain (loss) on equity securities	0	6	(1)	18
Credit loss benefit (expense) on mortgage loans on real estate	(7)	(47)	(16)	(65)
Credit loss benefit (expense) on reinsurance-related assets (3)	(14)	(27)	(9)	(19)
Realized gain (loss) on the market-to-market on certain instruments	(295)	(591)	(592)	(791)
Indexed product derivative results	35	82	34	304
GLB rider fees ceded to LNBAR and attributed fees	(34)	(41)	(105)	(102)
Realized gain (loss) on subsidiaries/businesses	0	0	0	45
Other realized gain (loss)	8	76	75	481
Total realized gain (loss)	(330)	(571)	(740)	(345)
Mortgages
Fixed maturity AFS securities:
Realized gain (loss) on the market-to-market on certain instruments	(1)	1	(3)	4
Equity securities
Fixed maturity AFS securities:
Realized gain (loss) on equity securities	$ 2	$ 6	$ 9	$ 21