Variable Interest Entities - Changes in Level 3 Assets (Details) - Consolidated investment entities - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Common stocks
Summary of changes in Level 3 assets measured at fair value on a recurring basis
Balance, beginning		$ 0		$ 0
Total gains (losses) included in Net income		0		0
Purchases		0		0
Sales				0
Settlements		0		0
Transfers into Level 3		2		2
Transfers out of Level 3		0		0
Balance, ending		2		2
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	$ 50	97	$ 125	64
Total gains (losses) included in Net income	(2)	(2)	(3)	(3)
Purchases	10	8	27	23
Sales	(3)		(10)	(1)
Settlements		(8)	(15)	(8)
Transfers into Level 3	39	50	60	112
Transfers out of Level 3	(27)	(50)	(117)	(92)
Balance, ending	67	95	67	95
Changes in unrealized gains (losses) included in net income relating to assets held at end of period	(2)	(2)	(2)	(3)
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