CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Common stock issued under employee plans (in shares)	2,945,036	2,867,128
Purchases of treasury stock under employee plans (in shares)	920,968	769,837
Sales of treasury stock under employee plans (in shares)	347,939	323,578
Other treasury shares purchased, not retired (in shares)	16,299,114	12,305,377