Weighted Average Common Shares

3 Months Ended

Dec. 31, 2016

Weighted Average Number of Shares Outstanding Reconciliation [Abstract]

Weighted Average Common Shares

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,
	2015	2016
Basic shares outstanding	650.0	642.8
Dilutive shares	2.5	1.5
Diluted shares outstanding	652.5	644.3