DAC, VOBA, DSI and DFEL - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Deferred policy acquisition costs, amortization expense	$ 281	$ 263
Value of future insurance profits, amortization expense	12	12
Deferred sales inducements, amortization expense	4	3
Deferred front end loads, amortization expense	$ 101	$ 104

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

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