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           Interest and Other, Net (Detail) (USD $) 
        In Millions, unless otherwise specified  | 
        12 Months Ended | ||
|---|---|---|---|
| 
           Dec. 27, 2014 
         | 
        
           Dec. 28, 2013 
         | 
        
           Dec. 29, 2012 
         | 
      |
| Interest and Other, Net [Abstract] | |||
| Interest income | $ 141us-gaap_InvestmentIncomeInterest | $ 104us-gaap_InvestmentIncomeInterest | $ 97us-gaap_InvestmentIncomeInterest | 
| Interest expense | (192)us-gaap_InterestExpense | (244)us-gaap_InterestExpense | (90)us-gaap_InterestExpense | 
| Other, net | 94intc_OtherNetInterestAndOther | (11)intc_OtherNetInterestAndOther | 87intc_OtherNetInterestAndOther | 
| Total interest and other, net | 43intc_InterestAndOtherNet | (151)intc_InterestAndOtherNet | 94intc_InterestAndOtherNet | 
| Interest Costs, Capitalized During Period | $ 276us-gaap_InterestCostsCapitalized | $ 246us-gaap_InterestCostsCapitalized | $ 240us-gaap_InterestCostsCapitalized | 
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- Definition 
          Interest and other, net No definition available. 
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- Details 
          
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- Definition 
          Other, net (interest and other) No definition available. 
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- Definition 
          Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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