The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Other intangible assets.

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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Other Intangible Assets [Line Items]
Amortization expense		$ 36,000,000	$ 39,000,000	$ 75,000,000	$ 77,000,000
Goodwill, impairment	$ 0
Indefinite-lived intangible assets, impairment	$ 0
Customer Relationships [Member] \| Minimum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets				2 years
Customer Relationships [Member] \| Maximum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets				10 years
Noncompete Agreements [Member] \| Minimum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets				2 years
Noncompete Agreements [Member] \| Maximum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets				10 years