DAC, VOBA, DSI, and DFEL - VOBA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Movement in Present Value of Future Insurance Profits [Roll Forward]
Amortization	$ (12)	$ (13)	$ (37)	$ (41)
Traditional Life
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			42	50
Deferrals			0	0
Amortization			(6)	(6)
Balance as of end-of-period	36	44	36	44
UL and Other
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			413	465
Deferrals			1	1
Amortization			(29)	(33)
Balance as of end-of-period	385	433	385	433
Fixed Annuities
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			15	17
Deferrals			0	0
Amortization			(2)	(2)
Balance as of end-of-period	$ 13	$ 15	$ 13	$ 15