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 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Numerator – Net income (loss):        
Net income (loss) $ 17 $ 48 $ (39) $ (172)
Denominator – Weighted average shares        
Weighted-average shares outstanding, basic 770 757 765 753
Effect of potentially dilutive shares:        
Employee stock options, restricted stock and restricted stock units 15 7 0 0
Weighted-average shares outstanding, diluted 785 764 765 753
Basic net income (loss) per share $ 0.02 $ 0.06 $ (0.05) $ (0.23)
Diluted net income (loss) per share $ 0.02 $ 0.06 $ (0.05) $ (0.23)
Stock Options, Restricted Stock and Restricted Stock Units
       
Earnings per Share [Line Items]        
Anti-dilutive shares 28 53 46 61