Condensed Consolidated Statements Of Financial Position (Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Common shares, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, authorized (in shares)	1,400,000,000	1,400,000,000
Common shares issued (in shares)	1,112,885,415	1,112,623,886
Common shares outstanding (in shares)	609,884,944	612,393,321