DAC, VOBA, DSI, and DFEL - DSI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Movement in Deferred Sales Inducements [Roll Forward]
Amortization	$ (4)	$ (4)	$ (8)	$ (9)
UL and Other
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			28	30
Deferrals			0	0
Amortization			(1)	(1)
Balance as of end-of-period	27	29	27	29
Retirement Plan Services
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			26	17
Deferrals			12	2
Amortization			0	0
Balance as of end-of-period	38	19	38	19
Variable Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			122	128
Deferrals			1	2
Amortization			(6)	(6)
Balance as of end-of-period	117	124	117	124
Fixed Annuities
Movement in Deferred Sales Inducements [Roll Forward]
Balance as of beginning-of-year			19	23
Deferrals			0	0
Amortization			(1)	(2)
Balance as of end-of-period	$ 18	$ 21	$ 18	$ 21