Federal Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets
Insurance liabilities and reinsurance-related balances	$ 1,856	$ 1,900
Net unrealized loss on fixed maturity AFS securities	2,164	1,826
Reinsurance-related embedded derivative liabilities	6	116
Compensation and benefit plans	206	184
Intangibles	17	18
Net unrealized loss on trading securities	30	33
Tax credits	169	131
Net operating losses	478	87
Capital losses	56	93
Total deferred tax assets	4,982	4,388
Deferred Tax Liabilities
DAC and VOBA	1,638	1,744
Investment activity	1,486	617
Deferred loss on reinsurance	474	465
MRB-related activity	743	429
Other	37	204
Total deferred tax liabilities	4,378	3,459
Net deferred tax asset (liability)	$ 604	$ 929