Weighted Average Common Shares (Tables)

12 Months Ended

Sep. 30, 2018

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):

	2016	2017	2018
Basic shares outstanding	644.0	642.1	632.0
Dilutive shares	2.8	1.3	3.3
Diluted shares outstanding	646.8	643.4	635.3