Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stock by Class

As-Converted Class A Common Stock. The number of shares of each class and the number of shares of class A common stock on an as-converted basis at June 30, 2015, are as follows:

(in millions, except conversion rates)	Shares Outstanding	Conversion Rate Into Class A Common Stock		As-converted Class A Common Stock(1)
Class A common stock	1,951	—		1,951
Class B common stock	245	1.6483	(2)	405
Class C common stock	19	4.0000		77
Total				2,433

⁽¹⁾  Figures in the table may not recalculate exactly due to rounding. As-converted class A common stock is calculated based on unrounded numbers.

⁽²⁾  The class B to class A common stock conversion rate is presented on a rounded basis. Conversion calculations for dividend payments are based on a conversion rate rounded to the tenth decimal.

Share Repurchase Program Disclosure

Reduction in as-converted class A common stock. The following table presents share repurchases in the open market.

(in millions, except per share data)	Three Months Ended June 30, 2015		Nine Months Ended June 30, 2015
Shares repurchased in the open market (1)	15		44
Average repurchase price per share (2)	$	68.05	$	65.98
Total cost	$	1,055	$	2,910

⁽¹⁾   All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

⁽²⁾  Figures in the table may not recalculate exactly due to rounding. Average repurchase price per share is calculated based on unrounded numbers.