Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Call options
Derivative [Line Items]
Change in fair value of derivatives	$ (308)	$ (149)	$ (155)	$ (858)
Interest rate swaps
Derivative [Line Items]
Change in fair value of derivatives	(19)	0	(19)	0
Futures contracts
Derivative [Line Items]
Change in fair value of derivatives	(4)	(5)	1	(10)
Foreign currency forwards
Derivative [Line Items]
Change in fair value of derivatives	4	10	3	22
Other embedded derivatives
Derivative [Line Items]
Change in fair value of derivatives	(3)	(2)	0	(10)
Reinsurance related embedded derivatives
Derivative [Line Items]
Change in fair value of derivatives	36	94	34	357
Total net investment losses
Derivative [Line Items]
Change in fair value of derivatives	(294)	(52)	(136)	(499)
FIA/ IUL embedded derivatives (decrease) increase
Derivative [Line Items]
Change in fair value of derivatives	$ (265)	$ (166)	$ 441	$ (1,108)