Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 1,831	$ 995	$ 2,953	$ 2,166
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	(160)	(915)	(2,943)	(3,550)
Operating Segments | Annuities
Segment Reporting Information [Line Items]
Total revenues	1,205	1,104	3,606	3,295
Operating Segments | Life
Segment Reporting Information [Line Items]
Total revenues	246	246	654	752
Operating Segments | Run-off
Segment Reporting Information [Line Items]
Total revenues	378	411	1,162	1,240
Operating Segments | Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	$ 162	$ 149	$ 474	$ 429