Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details) (Narrative)

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Income Taxes (Details) (Narrative) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Increase (decrease) in valuation allowance $ 423 $ (245) $ (56)
Deferred tax assets related to excess stock option deduction 192 202  
Deferred tax assets related to deductible discount for 6.00% Convertible Senior Notes due 2015 10 10  
Income tax holiday, aggregate dollar amount 11 9 7
Income tax holiday, income tax benefits per share $ 0.02 $ 0.01 $ 0.01
Unrecognized tax benefits that would impact effective tax rate 2 4 8
Unrecognized tax benefits, interest on income taxes accrued 2 2  
Unrecognized tax benefits, income tax penalties accrued 0 0 1
Increase (decrease) in interest expense 0 (2) (6)
Increase (decrease) in penalty expense $ 0 $ 1 $ 4