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	$ 2,018	$ 1,170	$ 3,519	$ 2,717
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	(159)	(918)	(2,926)	(3,525)
Operating Segments | Annuities
Segment Reporting Information [Line Items]
Total revenues	1,314	1,214	3,932	3,630
Operating Segments | Life
Segment Reporting Information [Line Items]
Total revenues	303	299	817	915
Operating Segments | Run-off
Segment Reporting Information [Line Items]
Total revenues	377	413	1,162	1,241
Operating Segments | Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	$ 183	$ 162	$ 534	$ 456