Managed Investment Entities - Progression of investment in CLO tranches (Details) - Variable interest entity, primary beneficiary - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Investment in CLO tranches, beginning balance	$ 137	$ 112	$ 76
Face amount of managed investment entities liabilities purchased during the period	62	32	66
Sales of managed investment entities liabilities	(63)	0	0
Distributions from managed investment entities liabilities	(41)	(34)	(18)
Mark-to-market of ownership of managed investment entities liabilities	29	27	(11)
Change in accrued interest of ownership of managed investment entities liabilities	1	0	(1)
Investment in CLO tranches, ending balance	$ 125	$ 137	$ 112