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Share-Based Compensation (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 28, 2012
Sep. 30, 2011
Sep. 28, 2012
Sep. 30, 2011
Dec. 25, 2009
Share-based Compensation          
Share-Based Compensation Expense 6,000,000 7,000,000 10,000,000 30,000,000  
Income Tax Benefit 3,000,000 3,000,000 4,000,000 11,000,000  
Stock Options [Member]
         
Share-based Compensation          
Number of Stock Options Exercised 273,000 589,000 1,891,000 4,543,000  
Number of Stock Options Expired 0 6,000 15,000 27,000  
Future expense related to vested options         $ 0
Number of Stock Options Outstanding 2,200,000   2,200,000