Definite Lived Intangible Assets Included in Other Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 27, 2014	Dec. 28, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 122	$ 128
Accumulated Amortization	(50)	(21)
Net Carrying Value	72us-gaap_FiniteLivedIntangibleAssetsNet	107us-gaap_FiniteLivedIntangibleAssetsNet
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	77	74
Accumulated Amortization	(37)	(20)
Net Carrying Value	40	54
Favorable Leases
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	36	44
Accumulated Amortization	(8)
Net Carrying Value	28	44
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	9	10
Accumulated Amortization	(5)	(1)
Net Carrying Value	$ 4	$ 9

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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