Balance Sheet Classification of Deferred Tax Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 27, 2014	Dec. 28, 2013
Deferred tax assets:
Included in Prepaid and other current assets	$ 87us-gaap_DeferredTaxAssetsNetCurrent	$ 114us-gaap_DeferredTaxAssetsNetCurrent
Deferred income taxes - noncurrent	32us-gaap_DeferredTaxAssetsNetNoncurrent	35us-gaap_DeferredTaxAssetsNetNoncurrent
Deferred tax liabilities:
Included in Accrued expenses and other current liabilities	3us-gaap_DeferredTaxLiabilitiesCurrent	3us-gaap_DeferredTaxLiabilitiesCurrent
Included in Deferred income taxes and other long-term liabilities	84	110
Net deferred tax asset	$ 32us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 36us-gaap_DeferredTaxAssetsLiabilitiesNet

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer.

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