Contracts Expiration Month and Year

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- Definition

Decrease In Sales For Scenario

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- Definition

Discounted Cash Flow Analysis, Percentage Used

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- Definition

Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ 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)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

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- Definition

For each income statement presented, the amount charged to expense for write-downs of capitalized computer software costs to net realizable value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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- Definition

Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258

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- Definition

The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose).

+ References

No definition available.

+ Details

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Derivative Instruments and Fair Value Measurements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Dec. 27, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	$ 5us-gaap_AssetImpairmentCharges	$ 50us-gaap_AssetImpairmentCharges
Capitalized computer software impairments		13
Abandonment of Software Implementation Project
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges		28
Retail Stores
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	5	9
Retail Stores \| Favorable Leases
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	1
Retail Stores \| Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Percentage used for analysis	13.00%
Retail Stores \| Significant Unobservable Inputs (Level 3) \| Additional impairment charges
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	1
Retail Stores \| Significant Unobservable Inputs (Level 3) \| Decrease in Sales Scenario
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Decrease in sales for scenario	1.00%
Retail Stores \| Significant Unobservable Inputs (Level 3) \| Decrease in Gross Margin Scenario
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Decrease in sales for scenario	0.50%
Retail Stores \| Significant Unobservable Inputs (Level 3) \| Decrease in Sales Scenario Two
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Decrease in sales for scenario	1.00%
Retail Stores \| Significant Unobservable Inputs (Level 3) \| Decrease in Sales Scenario Two \| Additional impairment charges
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	1
Retail Stores \| Discounted Cash Flow Analysis \| Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, fair value	2
Retail Stores \| Stores Reduced to Estimated Salvage Value \| Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Property and equipment, salvage value	1
Canada \| Retail Stores
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges		1
Foreign Exchange Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contracts expiration date	2016-01
Fuel Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contracts expiration date	2016-01
Derivative Fuel Contracts Payable
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued expenses and other liabilities	$ 5		$ 6