DAC, VOBA, DSI, and DFEL - VOBA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Movement in Present Value of Future Insurance Profits [Roll Forward]
Amortization	$ (11)	$ (12)
Traditional Life
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	35	42
Amortization	(2)	(2)
Balance as of end-of-period	33	40
UL and Other
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	366	402
Amortization	(9)	(9)
Balance as of end-of-period	357	393
Fixed Annuities
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	13	15
Amortization	0	(1)
Balance as of end-of-period	$ 13	$ 14