Managed Investment Entities - Progression of investment in CLO tranches (Details) - Variable interest entity, primary beneficiary - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Investment in CLO tranches, beginning balance	$ 115
Investment in CLO tranches, ending balance	115
Continuing operations
Variable Interest Entity [Line Items]
Investment in CLO tranches, beginning balance	112	$ 76	$ 57	$ 48
Face amount of managed investment entities liabilities purchased during the period	66	21	17
Sales of managed investment entities liabilities	0	0	(1)
Distributions from managed investment entities liabilities	(18)	(22)	(6)
Mark-to-market of ownership of managed investment entities liabilities	(11)	20	(1)
Change in Accrued Interest of Ownership of Managed Investment Entities Liabilities	(1)	0	0
Investment in CLO tranches, ending balance	$ 112	$ 76	$ 57