Segment Information (Total Assets by Segment) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total assets	$ 234,799	$ 226,204
Annuities
Segment Reporting Information [Line Items]
Total assets	165,126	157,614
Life
Segment Reporting Information [Line Items]
Total assets	20,788	20,363
Run-off
Segment Reporting Information [Line Items]
Total assets	26,486	26,849
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 22,399	$ 21,378