DAC, VOBA, DSI and DFEL - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
DAC amortization	$ 1,100	$ 1,000	$ 987
VOBA amortization	47	48	53
DSI amortization	15	17	19
DFEL amortization	$ 386	$ 311	$ 288