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	$ 992
VOBA amortization	46	47	53
DSI amortization	18	21	21
DFEL amortization	$ 388	$ 313	$ 290

Amount of amortization expense (reversal of expense) for deferred policy acquisition costs.

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