CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
Common stock issued under employee plans (in shares)	12,322,115	17,318,927
Purchases of treasury stock under employee plans (in shares)	2,092,008	1,451,421
Sales of treasury stock under employee plans (in shares)	2,358,099	4,102,531
Other treasury shares purchased, not retired (in shares)	45,838,313	69,345,414