Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total revenues	$ (124)	$ 1,102
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	(1,989)	(723)
Operating Segments | Annuities
Segment Reporting Information [Line Items]
Total revenues	1,196	1,058
Operating Segments | Life
Segment Reporting Information [Line Items]
Total revenues	163	248
Operating Segments | Run-off
Segment Reporting Information [Line Items]
Total revenues	356	380
Operating Segments | Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	$ 150	$ 139