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Accounting Policies Share Repurchases (Details) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 3 Months Ended
Jan. 31, 2014
Dec. 28, 2013
Dec. 29, 2012
Accounting Policies [Line Items]      
Payments for Repurchase of Common Stock   $ 159 $ 115
Class A [Member]
      
Accounting Policies [Line Items]      
Payments for Repurchase of Common Stock   159 115
Treasury Stock, Shares, Acquired   4.9 5.9
Share Repurchase Program [Member] | Class A [Member]
      
Accounting Policies [Line Items]      
Payments for Repurchase of Common Stock   150 100
Treasury Stock, Shares, Acquired   4.6 5.1
Remaining shares available to repurchase   9.6  
Increase in authorized shares to repurchase 25    
Open market repurchases to fund certain obligations under equity compensation plans [Member] | Class A [Member]
      
Accounting Policies [Line Items]      
Payments for Repurchase of Common Stock   $ 9 $ 15
Treasury Stock, Shares, Acquired   0.3 0.8