Weighted Average Common Shares (Tables)

12 Months Ended

Sep. 30, 2017

Weighted Average Number of Shares Outstanding, Diluted [Abstract]

Schedule Of Basic And Diluted Earnings Per Common Share Reconciliation

Reconciliations of weighted-average shares for basic and diluted earnings per common share follow (shares in millions):

	2015	2016	2017
Basic shares outstanding	673.3	644.0	642.1
Dilutive shares	3.2	2.8	1.3
Diluted shares outstanding	676.5	646.8	643.4