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CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
CONSOLIDATED STATEMENT OF EQUITY      
Cash dividend per common share $ 6.55 $ 6.51 $ 6.43
Common stock issued under employee plans (in shares) 5,608,845 4,972,028 4,569,917
Purchases of treasury stock under employee plans (in shares) 2,286,912 2,363,966 2,000,704
Sales of treasury stock under employee plans (in shares) 2,093,243 2,934,907 2,041,347
Other treasury shares purchased, not retired (in shares)     9,979,516