CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CONSOLIDATED STATEMENT OF EQUITY
Cash dividend per common share	$ 1.64	$ 1.63	$ 3.27	$ 3.25
Common stock issued under employee plans (in shares)	2,967,655	2,296,269	4,013,839	3,231,755
Purchases of treasury stock under employee plans (in shares)	1,334,081	1,311,046	1,673,587	1,621,500
Sales of treasury stock under employee plans (in shares)	1,163,671	1,701,568	1,326,397	1,858,039