Assets Held for Sale - Additional Information (Detail) $ in Millions	9 Months Ended	12 Months Ended
Oct. 01, 2016 USD ($)	Jan. 02, 2016 USD ($) Facility	Dec. 27, 2014 USD ($) Facility
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]
Number of distribution facilities reclassified to assets held for sale \| Facility		2	5
Assets Held for Sale, net proceeds	$ 7	$ 3	$ 19
Asset impairment charges		$ 1	$ 2
Gain on disposition of assets	$ 3

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-Subparagraph (b)
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Amount classified as assets attributable to disposal group held for sale or disposed of.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of distribution facilities reclassified to assets held for sale.

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