DAC, VOBA, DSI and DFEL - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Deferred policy acquisition costs, amortization expense	$ 277	$ 253	$ 803	$ 754
Value of future insurance profits, amortization expense	12	12	35	37
Deferred sales inducements, amortization expense	4	4	11	13
Deferred front end loads, amortization expense	$ 92	$ 79	$ 287	$ 230