Reinsurance - Effect of Reinsurance (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Premiums:
Direct premiums	$ 4,084	$ 3,599	$ 3,257
Reinsurance assumed	21	26	25
Reinsurance ceded	(929)	(908)	(859)
Net premiums	3,176	2,717	2,423
Fee income:
Gross fee income	2,494	2,303	2,137
Reinsurance assumed	16	17	18
Reinsurance ceded	(397)	(404)	(413)
Net fee income	2,113	1,916	1,742
Interest credited and other benefits to contract owners / policyholders:
Direct interest credited and other benefits to contract owners / policyholders	4,931	4,322	4,448
Reinsurance assumed	60	64	50
Reinsurance ceded	(1,372)	(1,350)	(1,970)
Net interest credited and other benefits to contract owners / policyholders	$ 3,619	$ 3,036	$ 2,528

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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Assumed Insurance Commissions and Fees

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Policyholder Interest and Other Benefits, Net

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