v2.4.0.8
Summary of Significant Accounting Policies (Details 4) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Repurchase Of Shares Of Common Stock [Abstract]      
Stock Repurchased During Period, Value $ (750) [1] $ (985) [1] $ (733) [2]
Reduction to Retained earnings
      
Repurchase Of Shares Of Common Stock [Abstract]      
Stock Repurchased During Period, Value $ (640) $ (794) $ (483)
[1] 2013 amount excludes and 2012 amount includes the effect of $20 million in share repurchases (0.3 million shares) with trade dates prior to the 2012 fiscal year end but with settlement dates subsequent to the 2012 fiscal year end.
[2] 2011 amount excludes the effect of $19 million in share repurchases (0.4 million shares) with trade dates prior to the 2010 fiscal year end but cash settlement dates subsequent to the 2010 fiscal year.