Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended					9 Months Ended
	Oct. 10, 2022	Oct. 31, 2022	Sep. 30, 2022		Dec. 31, 2021	Sep. 30, 2021	[1]	Sep. 30, 2022	[1]	Sep. 30, 2021	[1]
Subsequent Event [Line Items]
Payment for settlement			$ 44
Cash dividends declared per common share (in dollars per share)			$ 0.30	[1]	$ 0.25	$ 0.25		$ 0.90		$ 0.63
Subsequent event
Subsequent Event [Line Items]
Payment for settlement		$ 103
Loss on reclassification		(99)
Compensation and benefits expense		50
Income taxes		$ 49
Cash dividends declared per common share (in dollars per share)	$ 0.30

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.