Weighted Average Common Shares (Schedule Of Basic And Diluted Earnings Per Share Reconciliation) (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic shares outstanding	665.7	699.6	679.3	701.6
Dilutive shares	3.2	3.7	3.3	4.0
Diluted shares outstanding	668.9	703.3	682.6	705.6