DAC, VOBA, DSI, and DFEL - VOBA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Movement in Present Value of Future Insurance Profits [Roll Forward]
Amortization	$ (12)	$ (12)	$ (34)	$ (36)
Traditional Life
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			35	42
Deferrals				0
Amortization			(6)	(5)
Balance as of end-of-period	29	37	29	37
UL and Other
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			366	402
Deferrals				1
Amortization			(27)	(29)
Balance as of end-of-period	339	374	339	374
Fixed Annuities
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year			13	15
Deferrals				0
Amortization			(1)	(2)
Balance as of end-of-period	$ 12	$ 13	$ 12	$ 13