Condensed Consolidated Statement of Shareholders' Investment (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Shareholders' Investment
Beginning balance, treasury stock, common (in shares)	253,807,494
Ending balance, treasury stock, common (in shares)	250,155,515
Common Shares
Increase (Decrease) in Shareholders' Investment
Beginning balance (in shares)	1,987,883,852	1,986,519,278
Issued under incentive stock programs (in shares)	1,906,147	384,892
Ending balance (in shares)	1,989,789,999	1,986,904,170
Common Shares Held in Treasury
Increase (Decrease) in Shareholders' Investment
Beginning balance, treasury stock, common (in shares)	253,807,494	248,724,257
Issued under incentive stock programs (in shares)	3,838,255	3,933,165
Purchased (in shares)	186,276	3,166,279
Ending balance, treasury stock, common (in shares)	250,155,515	247,957,371
Earnings Employed in the Business
Increase (Decrease) in Shareholders' Investment
Cash dividends declared on common shares (in dollars per share)	$ 0.55	$ 0.51