Income Taxes - Significant Components of Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets and liabilities
Statutory rate	21.00%	21.00%	21.00%
Deferred income tax assets
Insurance and annuity benefits including corresponding hedges	$ 1,244	$ 1,404
Deferred compensation including corresponding hedges	545	480
Investments including net unrealized on Available-for-Sale securities	335	512
Net operating loss	74	63
Other	127	134
Gross deferred income tax assets	2,325	2,593
Less: valuation allowance	65	65
Total deferred income tax assets	2,260	2,528
Deferred income tax liabilities
Deferred acquisition costs	390	420
Goodwill and intangibles	313	301
Other	131	158
Gross deferred income tax liabilities	834	879
Net deferred income tax assets	$ 1,426	$ 1,649