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 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Numerator        
Net income (loss) $ (74) $ 37 $ (220) $ (553)
Denominator        
Weighted-average shares outstanding, basic 752 739 751 737
Employee stock options and restricted stock units 0 16 0 0
Weighted-average shares outstanding, diluted 752 755 751 737
Basic net income (loss) per share $ (0.10) $ 0.05 $ (0.29) $ (0.75)
Diluted net income (loss) per share $ (0.10) $ 0.05 $ (0.29) $ (0.75)
5.75% Notes
       
Denominator        
Anti-dilutive shares   24   24
Stock Options and Restricted Stock Units
       
Denominator        
Anti-dilutive shares 52 19 54 18