Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table summarizes basic and diluted earnings per share for the following periods:

	Three months ended				Nine months ended
	June 30				June 30
(In millions, except per share data)	2019		2018		2019		2018
Numerator
Net income	$	65	$	64	$	181	$	121
Denominator
Weighted average common shares outstanding	189		195		189		199
Effect of potentially dilutive securities (a)	—		1		—		1
Weighted average diluted shares outstanding	189		196		189		200
Earnings per share
Basic	$	0.34	$	0.33	$	0.96	$	0.61
Diluted	$	0.34	$	0.33	$	0.96	$	0.61

(a) Approximately 1 million and 2 million outstanding stock appreciation rights were not included in the computation of diluted earnings per share because their effect would have been antidilutive for the three and nine months ended June 30, 2019, respectively.