DAC, VOBA, DSI and DFEL - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
DAC amortization	$ 1,000	$ 987	$ 964
VOBA amortization	48	53	60
DSI amortization	17	19	19
DFEL amortization	$ 311	$ 288	$ 257