CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Cash dividend per common share	$ 1.57	$ 1.50
Common stock issued under employee plans (in shares)	1,391,989	1,037,255
Purchases of treasury stock under employee plans (in shares)	454,710	325,635
Sales of treasury stock under employee plans (in shares)	82,862	45,878
Other treasury shares purchased, not retired (in shares)	6,856,678	4,968,417