Segment Information (Total Assets by Segment) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total assets	$ 229,292	$ 226,204
Annuities
Segment Reporting Information [Line Items]
Total assets	160,736	157,614
Life
Segment Reporting Information [Line Items]
Total assets	19,948	20,363
Run-off
Segment Reporting Information [Line Items]
Total assets	26,518	26,849
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 22,090	$ 21,378