CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Common stock issued under employee plans (in shares)	10,092,817	13,794,550
Purchases of treasury stock under employee plans (in shares)	1,905,803	1,416,882
Sales of treasury stock under employee plans (in shares)	2,034,612	3,461,423
Other treasury shares purchased, not retired (in shares)	30,629,597	49,554,480