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Condensed Consolidated Statement of Shareholders' Investment (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Common Shares:
Increase (Decrease) in Shareholders' Investment
Balance at beginning of period (in shares)	1,982,205,491	1,978,112,501	1,981,156,896	1,976,855,085
Issued under incentive stock programs (in shares)	347,997	1,481,878	1,396,592	2,739,294
Balance at end of period (in shares)	1,982,553,488	1,979,594,379	1,982,553,488	1,979,594,379
Common Shares Held in Treasury:
Increase (Decrease) in Shareholders' Investment
Balance at beginning of period (in shares)	205,385,343	209,267,175	209,926,622	214,351,838
Issued under incentive stock programs (in shares)	159,644	212,973	4,978,431	5,546,599
Purchased (in shares)	4,510,440	10,178	4,787,948	259,141
Balance at end of period (in shares)	209,736,139	209,064,380	209,736,139	209,064,380
Earnings Employed in the Business:
Increase (Decrease) in Shareholders' Investment
Cash dividends declared per common share	$ 0.45	$ 0.36	$ 0.90	$ 0.72

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Aggregate dividends declared during the period for each share of common stock outstanding.

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