DAC, VOBA, DSI, And DFEL (DFEL) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Changes in DFEL [Abstract]
Balance as of beginning-of-year			$ 5,052
Amortization, net of interest:
Amortization	$ 74	$ 63	213	$ 191
Balance as of end-of-year	5,653		5,653		$ 5,052
UL and Other [Member]
Changes in DFEL [Abstract]
Balance as of beginning-of-year			4,766	3,934	3,934
Deferrals			800		1,061
Amortization, net of interest:
Amortization			(193)		(229)
Balance as of end-of-year	5,373		5,373		4,766
Variable Annuities [Member]
Changes in DFEL [Abstract]
Balance as of beginning-of-year			286	$ 291	291
Deferrals			14		23
Amortization, net of interest:
Amortization			(20)		(28)
Balance as of end-of-year	$ 280		$ 280		$ 286