Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

The following table reconciles the numerators and denominators used to calculate basic and diluted earnings per share (in millions):

	Three Months Ended June 30,				Nine Months Ended June 30,
	2013		2012		2013		2012
Income Available to Common Shareholders
Basic income available to common shareholders	$	571	$	431	$	1,073	$	1,234
Interest expense, net of tax	—		—		—		1
Diluted income available to common shareholders	$	571	$	431	$	1,073	$	1,235
Weighted Average Shares Outstanding
Basic weighted average shares outstanding	683.9		683.4		683.7		681.1
Effect of dilutive securities:
Stock options and unvested restricted stock	6.2		5.3		5.0		5.7
Equity units	—		0.1		—		2.5
Diluted weighted average shares outstanding	690.1		688.8		688.7		689.3
Antidilutive Securities
Options to purchase common shares	—		1.2		1.1		1.1