Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)		12 Months Ended
	Jul. 02, 2017	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Other Intangible Assets [Line Items]
Amortization expense		$ 95,000,000	$ 155,000,000	$ 146,000,000
Goodwill, impairment	$ 0
Indefinite-lived intangible assets, impairment	$ 0
Discounted Cash Flow [Member]
Other Intangible Assets [Line Items]
Percentage of fair value of the reporting unit		40.00%	50.00%
Comparative Market Multiples [Member]
Other Intangible Assets [Line Items]
Percentage of fair value of the reporting unit		40.00%	35.00%
Comparative Market Transaction Multiples [Member]
Other Intangible Assets [Line Items]
Percentage of fair value of the reporting unit		20.00%	15.00%
Customer Relationship [Member]
Other Intangible Assets [Line Items]
Weighted-average remaining useful lives of intangible assets		3 years
Future Amortization Expense, 2018		$ 39,000,000
Future Amortization Expense, 2019		39,000,000
Future Amortization Expense, 2020		24,000,000
Future Amortization Expense, 2021		$ 6,000,000
Customer Relationship [Member] | Minimum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets		2 years
Customer Relationship [Member] | Maximum [Member]
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets		4 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		4 years