Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
		Jan. 17, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 13, 2023
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)	[1]		$ 1.20	$ 0.88	$ 0.76
Subsequent event
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)		$ 0.30
Subsequent event | Unsecured debt
Subsequent Event [Line Items]
Proceeds from issuance of subordinated long-term debt						$ 500

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