Segment Information (Total Assets by Segment) (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 232,877	$ 228,591
Annuities
Segment Reporting Information [Line Items]
Total assets	165,228	160,887
Life
Segment Reporting Information [Line Items]
Total assets	21,250	20,821
Run-off
Segment Reporting Information [Line Items]
Total assets	24,886	24,894
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 21,513	$ 21,989