Annual report pursuant to Section 13 and 15(d)

Debt and Other Obligations (Details) (Summary of Debt and Other Obligations)

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Debt and Other Obligations (Details) (Summary of Debt and Other Obligations) (USD $)
In Millions, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Debt Instrument [Line Items]    
Secured revolving line of credit, outstanding balance   $ 0
Capital lease obligations 16 23
Long-term debt and capital lease obligation including current portion 2,058 2,042
Current portion of long-term debt and capital lease obligations 60 5
Long-term debt and capital lease obligations, less current portion 1,998 2,037
6.00% Convertible Senior Notes Due 2015
   
Debt Instrument [Line Items]    
Long-term debt, net of discount 517 555
8.125% Senior Notes Due 2017
   
Debt Instrument [Line Items]    
Long-term debt, net of discount 470 464
7.75% Senior Notes Due 2020
   
Debt Instrument [Line Items]    
Long-term debt, net of discount 500 500
7.50% Senior Notes due 2022
   
Debt Instrument [Line Items]    
Long-term debt, net of discount 500 500
Secured Revolving Line of Credit
   
Debt Instrument [Line Items]    
Secured revolving line of credit, outstanding balance $ 55