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Cash and Investments, Non-Marketable Cost Method Investments (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Schedule of Cost-method Investments [Line Items]      
Non-marketable cost method investments $ 1,769us-gaap_CostMethodInvestments $ 1,270us-gaap_CostMethodInvestments  
Cost-method Investments [Member]      
Schedule of Cost-method Investments [Line Items]      
Other than Temporary Impairment Losses, Investments 130us-gaap_ImpairmentOfInvestments
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_CostmethodInvestmentsMember		 103us-gaap_ImpairmentOfInvestments
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_CostmethodInvestmentsMember		 104us-gaap_ImpairmentOfInvestments
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_CostmethodInvestmentsMember
Cloudera, Inc. [Member]      
Schedule of Cost-method Investments [Line Items]      
Non-marketable cost method investments $ 454us-gaap_CostMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= intc_ClouderaIncMember