Other Comprehensive Income (Loss), Reclassification out of Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest and other, net	$ 26intc_InterestAndOtherNet	$ 112intc_InterestAndOtherNet
Gains (losses) on equity investments, net	32intc_GainsLossesOnEquityInvestmentsNet	48intc_GainsLossesOnEquityInvestmentsNet
Income before taxes	2,673	2,670
Cost of sales	(5,051)us-gaap_CostOfGoodsAndServicesSold	(5,151)us-gaap_CostOfGoodsAndServicesSold
Research and development	(2,995)us-gaap_ResearchAndDevelopmentExpense	(2,846)us-gaap_ResearchAndDevelopmentExpense
Marketing, general and administrative	(1,953)	(2,047)
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	(409)
Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income before taxes	(61)	64
Unrealized holding gains (losses) on available-for-sale investments [Member] \| Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest and other, net	0	2
Gains (losses) on equity investments, net	54	61
Income before taxes	54	63
Unrealized holding gains (losses) on derivatives [Member] \| Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income before taxes	(99)	12
Unrealized holding gains (losses) on derivatives [Member] \| Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member] \| Currency Forwards [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	(43)	2
Research and development	(47)	8
Marketing, general and administrative	(9)	2
Prior service credits (costs) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassified out of Accumulated Other Comprehensive Income (Loss), Prior Service (Credits) Costs	(2)	(1)
Actuarial gains (losses) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassified out of Accumulated Other Comprehensive Income (Loss), Actuarial Gains (Losses)	(14)	(10)
Amortization of pension and postretirement benefit components [Member] \| Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income before taxes	$ (16)	$ (11)

Gains (losses) on equity investments, net

No definition available.

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- Definition

Interest and other, net

+ References

No definition available.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

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-Section S99

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-Subparagraph (SX 210.5-03.2(a),(d))

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-SubTopic 20

-Section 25

-Paragraph 1

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 10

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

+ References

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-Publisher FASB

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-Section 45

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

+ References

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-Publisher FASB

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

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-Publisher FASB

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