Managed Investment Entities - Progression of investment in CLO tranches (Details) - Variable interest entity, primary beneficiary - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Variable Interest Entity, Ownership [Roll Forward]
Balance at beginning of period of ownership of CLO tranches	$ 117	$ 85	$ 112	$ 76
Purchases	0	0	11	33
Sales	0	0	0	0
Distributions	(9)	(4)	(21)	(13)
Change in fair value	12	4	18	(11)
Balance at end of period of ownership of CLO tranches	$ 120	$ 85	$ 120	$ 85