Realized Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 6	$ 4	$ (4)	$ 35
Other gain (loss) on investments	(26)	(1)	(28)
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(6)	(9)	(12)	(19)
Total realized gain (loss) related to financial instruments and reinsurance-related assets	75	45	514	184
Realized gain (loss) on the mark-to-market on certain instruments	250	23	710	111
Indexed annuity and IUL contracts net derivatives results:
Gross gain (loss)	(15)	(24)	132	16
Associated amortization of DAC, VOBA, DSI, and DFEL	18	19	(75)	9
GLB fees ceded to LNBAR and attributed fees:
Gross gain (loss)	(66)	(56)	(195)	(168)
Associated amortization of DAC, VOBA, DSI, and DFEL	(7)	(8)	(23)	(25)
Total realized gain (loss)	5	(24)	353	16
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)	(9)	40	4	77
Realized gain (loss) on the mark-to-market on certain instruments	(1)	2	(18)	2
Reinsurance Related Assets [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)	(131)	(2)	(136)	(6)
GLB fees ceded to LNBAR and attributed fees:
allowance for credit losses	324		324		$ 188
Fixed Maturity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	10	1	14	15
AFS securities. Gross losses	(14)	(3)	(23)	(20)
Credit loss benefit (expense)	(5)	(8)	(11)	(9)
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 5	$ 4	$ 1	$ 37