Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2015

Sep. 30, 2014

Stockholders' Equity Note [Abstract]

The number of shares of each class and the number of shares of class A common stock on an as-converted basis at September 30, 2015, are as follows:



(in millions, except conversion rate)	Shares Outstanding	Conversion Rate Into Class A Common Stock		As-converted Class A Common Stock ⁽¹⁾
Class A common stock	1,950	—		1,950
Class B common stock	245	1.6483	⁽²⁾	405
Class C common stock	20	4.0000		79
Total				2,434


⁽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.

Schedule of Share Repurchases in the Open Market

The following table presents share repurchases in the open market during the following fiscal years:



(in millions, except per share data)	2015		2014
Shares repurchased in the open market⁽¹⁾	44		79
Average repurchase price per share⁽²⁾	$	65.98	$	52.12
Total cost	$	2,910	$	4,118


⁽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.

The following table presents as-converted class B common stock after deposits into the litigation escrow account in fiscal 2014. There were no deposits into the litigation escrow account in fiscal 2015.



(in millions, except per share and conversion rate data)	Fiscal 2014
Deposits under the U.S. retrospective responsibility plan	$	450
Effective price per share⁽¹⁾	$	53.83
Reduction in equivalent number of shares of class A common stock	8
Conversion rate of class B common stock to class A common stock after deposits	1.6483
As-converted class B common stock after deposits	405


⁽¹⁾	Effective price per share calculated using the volume-weighted average price of the Company's class A common stock over a pricing period in accordance with the Company's current certificate of incorporation.