XML 36 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share Repurchases - Additional Information (Details) (USD $)
1 Months Ended 3 Months Ended 16 Months Ended
Feb. 25, 2012
Jan. 28, 2012
Oct. 27, 2012
Nov. 26, 2011
Feb. 23, 2012
Disclosure Share Repurchases Additional Information [Abstract]          
Share repurchases, authorized amount $ 1,000,000,000     $ 3,250,000,000  
Share repurchases, amount cancelled         441,000,000
Share repurchases, remaining amount   443,000,000 539,000,000    
Total share repurchases, unpaid amount   $ 4,000,000