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Stock Repurchase Program
9 Months Ended
Jul. 31, 2011
Stock Repurchase Program [Abstract]  
Stock Repurchase Program
17. STOCK REPURCHASE PROGRAM

On November 19, 2009 our Board of Directors approved a share-repurchase program to reduce or eliminate dilution of basic outstanding shares in connection with issuances of stock under the company's equity incentive plans. The share-repurchase program does not require the company to acquire a specific number of shares and may be suspended or discontinued at any time. There is no fixed termination date for the new share-repurchase program. For the three and nine months ended July 31, 2011, we repurchased 4 million shares for $192 million and 10 million shares for $462 million, respectively. For the three and nine months ended July 31, 2010, we repurchased 3 million shares for $94 million and 11 million shares for $359 million, respectively. All such shares and related costs are held as treasury stock and accounted for using the cost method.