CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONSOLIDATED STATEMENT OF EQUITY
Cash dividend per common share	$ 1.64	$ 1.63	$ 4.91	$ 4.88
Common stock issued under employee plans (in shares)	482,632	429,304	4,496,470	3,661,059
Purchases of treasury stock under employee plans (in shares)	124,146	110,415	1,797,733	1,731,915
Sales of treasury stock under employee plans (in shares)	121,792	159,479	1,448,189	2,017,518