Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Schedule Of Components Of Basic And Diluted Income (Loss) Per Share) (Details)

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Net Income (Loss) Per Share (Schedule Of Components Of Basic And Diluted Income (Loss) Per Share) (Details) (USD $)
In Millions, except Per Share data
3 Months Ended 9 Months Ended
Oct. 01, 2011
Sep. 25, 2010
Oct. 01, 2011
Sep. 25, 2010
Net Income (Loss) Per Share [Abstract]        
Numerator for basic and diluted income (loss) per share $ 97 $ (118) $ 668 $ 96
Denominator for basic net income (loss) per share 729 713 725 710
Employee stock options and restricted stock units 12   17 22
Denominator for diluted net income (loss) per share 741 713 742 732
Basic $ 0.13 $ (0.17) $ 0.92 $ 0.13
Diluted $ 0.13 $ (0.17) $ 0.90 $ 0.13