Statements of Consolidated Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounting standards update [Extensible List]			Accounting Standards Update 2016-13 [Member]	ASU 2018-02
Cash dividends (in dollars per share)	$ 2.20	$ 1.7867	$ 1.5067
ASU 2016-02
Accounting standards update [Extensible List]				ASU 2016-02
ASU 2018-02
Accounting standards update [Extensible List]				ASU 2018-02