Quarterly report pursuant to Section 13 or 15(d)

Cash and Investments, Available-for-Sale Investments (Detail)

v2.4.1.9
Cash and Investments, Available-for-Sale Investments (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Dec. 27, 2014
Available-for-sale Securities [Abstract]      
Adjusted Cost $ 6,720us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis    
Fair Value 6,729us-gaap_AvailableForSaleSecuritiesDebtSecurities    
Adjusted Cost, Total 10,020us-gaap_AvailableForSaleSecuritiesAmortizedCost   9,253us-gaap_AvailableForSaleSecuritiesAmortizedCost
Gross Unrealized Gains, Total 3,272us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax   3,794us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Gross Unrealized Losses, Total (14)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax   (9)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Fair Value, Total 13,278us-gaap_AvailableForSaleSecurities   13,038us-gaap_AvailableForSaleSecurities
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds 43us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds 279us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds  
Available-for-sale Securities, Gross Realized Gains 43us-gaap_AvailableForSaleSecuritiesGrossRealizedGains 67us-gaap_AvailableForSaleSecuritiesGrossRealizedGains  
Due in 1 year or less, Cost 4,697us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis    
Due in 1-2 years, Cost 864us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost    
Due in 2-5 years, Cost 779us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost    
Instruments not due at a single maturity date, Cost 380us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost    
Due in 1 year or less, Fair Value 4,707us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue    
Due in 1-2 years, Fair Value 865us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue    
Due in 2-5 years, Fair Value 778us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue    
Instruments not due at a single maturity date, Fair Value 379us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue    
Cash and Cash Equivalents [Member]      
Available-for-sale Securities [Abstract]      
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds 0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
/ us-gaap_InvestmentTypeAxis
= us-gaap_CashAndCashEquivalentsMember
105us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
/ us-gaap_InvestmentTypeAxis
= us-gaap_CashAndCashEquivalentsMember
 
Asset-Backed Securities [Member]      
Available-for-sale Securities [Abstract]      
Adjusted Cost 8us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
  8us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Gross Unrealized Gains 0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
  0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Gross Unrealized Losses (2)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
  (2)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Fair Value 6us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
  6us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Corporate Debt [Member]      
Available-for-sale Securities [Abstract]      
Adjusted Cost 2,609us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
  2,040us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
Gross Unrealized Gains 15us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
  13us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
Gross Unrealized Losses (5)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
  (5)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
Fair Value 2,619us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
  2,048us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_DebtSecuritiesCorporateMember
Financial Institution Instruments [Member]      
Available-for-sale Securities [Abstract]      
Adjusted Cost 3,452us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
  3,146us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
Gross Unrealized Gains 1us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
  2us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
Gross Unrealized Losses (1)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
  (1)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
Fair Value 3,452us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
  3,147us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_FinancialInstitutionInstrumentsMember
Government Debt [Member]      
Available-for-sale Securities [Abstract]      
Adjusted Cost 651us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
  741us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
Gross Unrealized Gains 1us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
  0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
Gross Unrealized Losses 0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
  (1)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
Fair Value 652us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
  740us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= intc_GovernmentDebtSecuritiesMember
Marketable Equity Securities [Member]      
Available-for-sale Securities [Abstract]      
Adjusted Cost 3,300us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
  3,318us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
Gross Unrealized Gains 3,255us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
  3,779us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
Gross Unrealized Losses (6)us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
  0us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
Fair Value $ 6,549us-gaap_AvailableForSaleSecuritiesEquitySecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
  $ 7,097us-gaap_AvailableForSaleSecuritiesEquitySecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember