Earnings per Share (Tables)

9 Months Ended

Jun. 30, 2011

Earnings Per Share Tables [Abstract]

Common Shares Outstanding and Anti-dilutive common shares

	Quarter Ended		Nine Months Ended
Common Shares Outstanding and Anti-dilutive Common Shares	June 30,		June 30,
(in millions)	2011	2010	2011	2010
Weighted average common shares outstanding, basic	582.7	607.9	593.5	607.6
Dilutive effect of equity-based compensation awards	8.9	3.4	6.7	2.5
Weighted average common shares outstanding, diluted	591.6	611.3	600.2	610.1
Anti-dilutive common shares	11.8	37.4	19.0	37.3