Realized Gain (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Realized gain (loss) related to certain investments
AFS securities. Gross gains	$ 18	$ 26	$ 44
AFS securities. Gross losses	(28)	(78)	(70)
Credit loss benefit (expense)	(11)	(25)
AFS securities. Gross OTTI			(15)
Realized gain (loss) on equity securities	40	8	(4)
Other gain (loss) on investments		(7)	(9)
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(25)	31	(13)
Total realized gain (loss) related to certain financial assets	107	(162)	(69)
Realized gain (loss) on the mark-to-market on certain instruments	173	(142)	(426)
Indexed annuity and IUL contracts net derivatives results:
Gross gain (loss)	30	38	(80)
Associated amortization of DAC, VOBA, DSI, and DFEL	4	(26)	2
GLB fees ceded to LNBAR and attributed fees:
Gross gain (loss)	(192)	(205)	(223)
Associated amortization of DAC, VOBA, DSI, and DFEL	(33)	(29)	(32)
Total realized gain (loss)	89	(526)	(828)
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense) on mortgage loans on real estate	111	(117)	(2)
Realized gain (loss) on the mark-to-market on certain instruments	3	(24)
Reinsurance Related Assets [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense) on mortgage loans on real estate	2
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 43	$ 8	$ (4)