CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Common stock issued under employee plans (in shares)	1,059,160	1,049,083
Purchases of treasury stock under employee plans (in shares)	289,364	216,803
Sales of treasury stock under employee plans (in shares)	43,179	40,129
Other treasury shares purchased, not retired (in shares)	7,183,494	6,639,282