Weighted Average Common Shares

3 Months Ended

Dec. 31, 2011

Weighted Average Common Shares [Abstract]

Weighted Average Common Shares

2.  Reconciliations of weighted average shares for basic and diluted earnings per common share follow (in millions). Earnings allocated to participating securities were inconsequential.   

	Three Months Ended
	December 31,
	2010		2011
Basic shares outstanding		752.2		734.3
Dilutive shares		5.9		4.0
Diluted shares outstanding		758.1		738.3