Realized Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Fixed maturity AFS securities:
Gross gains	$ 2	$ 1	$ 6	$ 8
Gross losses	(26)	(105)	(149)	(167)
Credit loss benefit (expense)	(19)	(23)	(47)	(25)
Realized gain (loss) on equity securities	4	1	(1)	12
Credit loss benefit (expense) on mortgage loans on real estate	(8)	(18)	(10)	(18)
Credit loss benefit (expense) on reinsurance-related assets	3	7	5	9
Realized gain (loss) on the market-to-market on certain instruments	(98)	89	(153)	101
Indexed product derivative results	67	77	(2)	222
Derivative results	(571)	80	(284)	(468)
Other realized gain (loss)	5	(30)	4	(28)
Total realized gain (loss)	(641)	663	(631)	230
Gain on disposition of business	0	584	0	584
Mortgages
Fixed maturity AFS securities:
Realized gain (loss) on the market-to-market on certain instruments	$ (1)	3	(2)	3
Equity securities
Fixed maturity AFS securities:
Realized gain (loss) on equity securities		$ 4	$ 7	$ 16