Variable Interest Entities - Changes in Level 3 Assets (Details) - Consolidated investment entities - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Common stocks
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning		$ 2		$ 0
Total gains (losses) included in Net income		0		0
Purchases		0		0
Sales				0
Settlements		0		0
Transfers into Level 3				2
Transfers out of Level 3		(2)		(2)
Balance, ending		0		0
Changes in unrealized gains (losses) included in net income relating to assets held at end of period		0		0
Syndicated loans
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning	$ 67	95	$ 125	64
Total gains (losses) included in Net income		(4)	(3)	(7)
Purchases	4	42	31	64
Sales		(3)	(10)	(4)
Settlements	(1)	(1)	(16)	(8)
Transfers into Level 3	22	61	82	173
Transfers out of Level 3	(38)	(25)	(155)	(117)
Balance, ending	54	165	54	165
Changes in unrealized gains (losses) included in net income relating to assets held at end of period	2	(5)	2	(5)
Other assets
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning			1	3
Total gains (losses) included in Net income			0	0
Purchases			0	0
Sales			0	0
Settlements			0	0
Transfers into Level 3			0	0
Transfers out of Level 3			(1)	(3)
Balance, ending	$ 0	$ 0	0	0
Changes in unrealized gains (losses) included in net income relating to assets held at end of period			$ 0	$ 0