Accounting Policies (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
Dec. 26, 2015 |
|
Revenue, Major Customer [Line Items] | |||
PRQ Max | $ 770 | ||
Manufacturing Costs, less recession charge | 540 | ||
Production Related Impairments or Charges [Abstract] | |||
Inventory Write-down | 185 | ||
Schedule of Equity Method Investments [Line Items] | |||
Impairments | 833 | $ 187 | $ 185 |
Credit Concentration Risk [Member] | |||
Revenue, Major Customer [Line Items] | |||
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure | $ 800 | ||
Credit Concentration Risk [Member] | Accounts Receivable [Member] | |||
Revenue, Major Customer [Line Items] | |||
Concentration Risk, Percentage | 36.00% | 31.00% | |
Maximum [Member] | |||
Revenue, Major Customer [Line Items] | |||
Manufacturing Costs | $ 46 | ||
Minimum [Member] | |||
Revenue, Major Customer [Line Items] | |||
Manufacturing Costs | 1,100 | ||
Non-marketable equity investments [Member] | |||
Schedule of Equity Method Investments [Line Items] | |||
Other Long-term Investments | 4,500 | $ 4,400 | |
Impairments | $ 555 | $ 184 | $ 166 |
X | ||||||||||
- Definition Manufacturing Costs, less recession charge No definition available.
|
X | ||||||||||
- Definition PRQ Max No definition available.
|
X | ||||||||||
- Definition Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition The aggregate costs incurred in the production of goods for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Amount of long-term investments classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|