Segment Information - Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ (723)	$ (848)	$ (1,115)
Total expenses	536	465	729
Equity in earnings (losses) of investees	(39)	94	27
Provision (Benefit) for Income Taxes	11	58	45
Selected components of segment adjusted operating income:
Net investment income	269	269	297
Interest expense	81	87	85
Operating Segments
Segment Reporting Information [Line Items]
Revenues	(869)	(816)	(940)
Total expenses	378	141	574
Equity in earnings (losses) of investees	(51)	144	61
Provision (Benefit) for Income Taxes	33	116	48
Selected components of segment adjusted operating income:
Net investment income	278	280	310
Insurance | Operating Segments Excluding Intersegment Elimination
Segment Reporting Information [Line Items]
Revenues	(748)	(724)	(864)
Insurance | Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	9	9	10
Insurance | Operating Segments
Segment Reporting Information [Line Items]
Revenues	(757)	(733)	(874)
Total expenses	259	33	446
Equity in earnings (losses) of investees	(51)	144	61
Provision (Benefit) for Income Taxes	34	122	60
Segment adjusted operating income (loss)	413	722	429
Selected components of segment adjusted operating income:
Net investment income	278	280	310
Interest expense	1	0	0
Non-cash compensation and operating expenses	41	56	39
Asset Management | Operating Segments Excluding Intersegment Elimination
Segment Reporting Information [Line Items]
Revenues	(78)	(73)	(61)
Asset Management | Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	34	10	5
Asset Management | Operating Segments
Segment Reporting Information [Line Items]
Revenues	(112)	(83)	(66)
Total expenses	119	108	128
Equity in earnings (losses) of investees	0	0	0
Provision (Benefit) for Income Taxes	(1)	(6)	(12)
Segment adjusted operating income (loss)	(6)	(19)	(50)
Selected components of segment adjusted operating income:
Net investment income	0	0	0
Interest expense	1	1	0
Non-cash compensation and operating expenses	$ 18	$ 17	$ 31