CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Cash dividend per common share	$ 1.62	$ 1.57	$ 3.19	$ 3.07
Common stock issued under employee plans (in shares)	1,883,226	1,840,520	3,275,215	2,877,775
Purchases of treasury stock under employee plans (in shares)	681,109	620,961	1,135,819	946,596
Sales of treasury stock under employee plans (in shares)	330,849	305,613	413,711	351,491
Other treasury shares purchased, not retired (in shares)	2,300,679	6,725,289	9,157,357	11,693,706