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

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- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
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