DAC, VOBA, DSI, and DFEL (DFEL) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Changes in DFEL [Abstract]
Balance as of beginning-of-year	$ 5,045
Amortization, net of interest:
Amortization, excluding unlocking, net of interest	68	$ 65
Balance as of end-of-year	5,244
UL and Other [Member]
Changes in DFEL [Abstract]
Balance as of beginning-of-year	4,735	3,902
Deferrals	262	1,060
Amortization, net of interest:
Amortization, excluding unlocking, net of interest	(61)	(227)
Balance as of end-of-year	4,936	4,735
Variable Annuities [Member]
Changes in DFEL [Abstract]
Balance as of beginning-of-year	310	318
Deferrals	5	22
Amortization, net of interest:
Amortization, excluding unlocking, net of interest	(7)	(30)
Balance as of end-of-year	$ 308	$ 310