Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 3,405	$ 6,162	$ 4,110
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	(4,267)	(896)	(4,070)
Operating Segments | Annuities
Segment Reporting Information [Line Items]
Total revenues	4,440	4,048	4,297
Operating Segments | Life
Segment Reporting Information [Line Items]
Total revenues	1,013	988	1,382
Operating Segments | Run-off
Segment Reporting Information [Line Items]
Total revenues	1,643	1,703	2,425
Operating Segments | Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	$ 576	$ 319	$ 76