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	$ 992	$ 969
VOBA amortization	47	53	59
DSI amortization	21	21	23
DFEL amortization	$ 313	$ 290	$ 259