CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Common stock, par value per share (in dollars per share)	$ 1	$ 1	$ 1	$ 1
Accounting Standards Update [Extensible Enumeration]				Accounting Standards Update 2016-13
Dividends paid per common share (in dollars per share)	$ 2.01	$ 1.99	$ 1.97