DAC, VOBA, DSI, and DFEL - VOBA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Movement in Present Value of Future Insurance Profits [Roll Forward]
Amortization	$ (13)	$ (14)
Traditional Life
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	42	50
Deferrals		0
Amortization	(2)	(2)
Balance as of end-of-period	40	48
UL and Other
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	413	465
Deferrals		0
Amortization	(10)	(11)
Balance as of end-of-period	403	454
Fixed Annuities
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance as of beginning-of-year	15	17
Deferrals		1
Amortization	(1)	(1)
Balance as of end-of-period	$ 14	$ 17