Consolidated Statement of Shareholders' Investment (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Shareholders' Investment
Beginning of Year, Treasury (in shares)	253,807,494
Cash dividends declared per common share (in dollars per share)	$ 2.24	$ 2.08	$ 1.92
End of Year, Treasury (in shares)	259,774,639	253,807,494
Common Shares:
Increase (Decrease) in Shareholders' Investment
Beginning of Year, Common (in shares)	1,987,883,852	1,986,519,278	1,985,273,421
Issued under incentive stock programs (in shares)	3,588,778	1,364,574	1,245,857
End of Year, Common (in shares)	1,991,472,630	1,987,883,852	1,986,519,278
Common Shares Held in Treasury:
Increase (Decrease) in Shareholders' Investment
Beginning of Year, Treasury (in shares)	253,807,494	248,724,257	221,191,228
Issued under incentive stock programs (in shares)	4,423,897	4,881,031	4,980,202
Purchased (in shares)	10,391,042	9,964,268	32,513,231
End of Year, Treasury (in shares)	259,774,639	253,807,494	248,724,257