DAC, VOBA, DSI, and DFEL - DSI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Movement in Deferred Sales Inducements [Roll Forward]
Amortization	$ (4)	$ (4)	$ (9)	$ (9)
UL and Other
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			25	26
Deferrals			1	0
Amortization			(1)	0
Balance as of end-of-period	25	26	25	26
Retirement Plan Services
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			61	42
Deferrals			3	10
Amortization			(1)	(1)
Balance as of end-of-period	63	51	63	51
Variable Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			133	145
Deferrals			0	0
Amortization			(6)	(6)
Balance as of end-of-period	127	139	127	139
Fixed Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			14	17
Deferrals			0	0
Amortization			(1)	(2)
Balance as of end-of-period	$ 13	$ 15	$ 13	$ 15