Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net unrealized investment losses	$ 54	$ 49
Intangible assets	149	149
Value of in-force business	45	45
Net operating loss	31	30
Depreciation	47	45
Deferred compensation	38	32
FG VIEs	49	0
Other	25	32
Total deferred tax assets	438	382
Deferred tax liabilities:
Investments	127	65
Other	49	67
Total deferred tax liabilities	176	132
Less: Valuation allowance		0	$ 2	$ 5	$ 24
Net deferred tax assets (liabilities)	$ 262	$ 250