Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Details) (Components of Basic and Diluted Income (Loss) Per Share)

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Net Income (Loss) Per Share (Details) (Components of Basic and Diluted Income (Loss) Per Share) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Earnings per Share [Line Items]    
Numerator for basic and diluted net loss per share $ (146) $ (590)
Net loss $ (146) $ (590)
Denominator for basic net income (loss) per share 749 734
Denominator for basic and diluted net loss per share 749 734
Basic net loss per share $ (0.19) $ (0.80)
Diluted net loss per share $ (0.19) $ (0.80)
5.75% Notes
   
Earnings per Share [Line Items]    
Anti-dilutive shares   24
Stock Options and Restricted Stock Units
   
Earnings per Share [Line Items]    
Anti-dilutive shares 56 32