| 
           Valuation and Qualifying Accounts (Detail) (USD $) 
        In Millions, unless otherwise specified  | 
        12 Months Ended | ||
|---|---|---|---|
| 
           Dec. 27, 2014 
         | 
        
           Dec. 28, 2013 
         | 
        
           Dec. 29, 2012 
         | 
      |
| Allowance for doubtful receivables [Member] | |||
| Valuation Allowances And Reserves, Disclosure [Roll Forward] | |||
| Valuation Allowances And Reserves, Beginning Balance | 
$ 38us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
$ 38us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
$ 36us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
      
| Valuation Allowances And Reserves, Additions Charged to Expenses/Other Accounts | 
10us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
5us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
3us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
      
| Valuation Allowances And Reserves, Net (Deductions) Recoveries | 
(10)intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
(5)intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
(1)intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
      
| Valuation Allowances And Reserves, Ending Balance | 
38us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
38us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
        
38us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForTradeReceivablesMember  | 
      
| Valuation allowance for deferred tax assets [Member] | |||
| Valuation Allowances And Reserves, Disclosure [Roll Forward] | |||
| Valuation Allowances And Reserves, Beginning Balance | 
456us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
389us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
373us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
      
| Valuation Allowances And Reserves, Additions Charged to Expenses/Other Accounts | 
128us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
88us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
77us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
      
| Valuation Allowances And Reserves, Net (Deductions) Recoveries | 
11intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
(21)intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
(61)intc_NetDeductionsRecoveries / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
      
| Valuation Allowances And Reserves, Ending Balance | 
$ 595us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
$ 456us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
        
$ 389us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember  | 
      
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- Definition 
          Net (Deductions) Recoveries No definition available. 
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- Details 
          
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- Definition 
          Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
          
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- Details 
          
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