Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule Of Weighted-Average Number Of Shares Outstanding Used To Compute Earnings Per Share

(Shares in millions) Years ended December 31,	2011		2010		2009
Weighted average shares outstanding		744.1		735.0		705.9
Participating securities		2.5		3.1		3.7
Basic weighted average shares outstanding		746.6		738.1		709.6
Dilutive potential common shares		6.5		6.2		3.8
Diluted weighted average shares outstanding		753.1		744.3		713.4

Schedule Of Weighted Average Number Of Shares Outstanding Excluded From The Computation Of Diluted Earnings Per Share

(Shares in millions) Years ended December 31,	2011		2010		2009
Stock options		21.1		14.9		16.8
Performance Awards		1.5		3.8		2.0
ShareValue Trust						13.2
Performance Shares						0.8
Stock Units						0.2