CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Cash dividend per common share	$ 1.62	$ 1.57	$ 4.81	$ 4.64
Common stock issued under employee plans (in shares)	353,035	331,214	3,628,250	3,208,989
Purchases of treasury stock under employee plans (in shares)	241,779	31,408	1,377,598	978,004
Sales of treasury stock under employee plans (in shares)	473,196	14,109	886,907	365,600
Other treasury shares purchased, not retired (in shares)	822,159	4,288,327	9,979,516	15,982,033