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. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Increase (decrease) in valuation allowance $ (26) $ 423 $ (245)
Deferred tax assets related to excess stock option deduction 191 192  
Deferred tax assets related to deductible discount for 6.00% Convertible Senior Notes due 2015 10 10  
Cumulative undistributed earnings of foreign subsidiaries 354    
Cumulative undistributed earnings, additional income taxes 124    
Income tax holiday, aggregate dollar amount 1 11 9
Income tax holiday, income tax benefits per share $ 0.01 $ 0.02 $ 0.01
Unrecognized tax benefits that would impact effective tax rate 3 2 4
Unrecognized tax benefits, interest on income taxes accrued 0 2 2
Unrecognized tax benefits, income tax penalties accrued 0 0 0
Unrecognized tax benefits, interest on income taxes expense (2) 0 (2)
Unrecognized tax benefits, income tax penalties expense 0 0 (1)
Estimated increase (decrease) in unrecognized tax benefits within 12 months $ (31)