Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 1,246	$ 69	$ 1,122	$ 1,171
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	(794)	(1,912)	(2,783)	(2,635)
Operating Segments | Annuities
Segment Reporting Information [Line Items]
Total revenues	1,205	1,133	2,401	2,191
Operating Segments | Life
Segment Reporting Information [Line Items]
Total revenues	245	258	408	506
Operating Segments | Run-off
Segment Reporting Information [Line Items]
Total revenues	428	449	784	829
Operating Segments | Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	$ 162	$ 141	$ 312	$ 280