XML 60 R29.htm IDEA: XBRL DOCUMENT

Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

EARNINGS PER SHARE [Abstract]

Share Repurchases


				Amount					Average					Total Shares										Shares Repurchased
Repurchase Program				Authorized					Price					Retired					Date					(in millions)
Authorization Date		(in millions)					Per Share ⁽²⁾					(in millions)					Completed					2011					2010					2009
December 19, 2007			$	3,600				$	59.82					60.2					August 2010										15.7					23.1
June 16, 2010 ⁽¹⁾				4,245					57.42					44.2										40.2					4.0
																								40.2					19.7					23.1