Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions			3 Months Ended
		Dec. 30, 2018 USD ($)	Mar. 30, 2019 USD ($) Segment	Mar. 31, 2018 USD ($)	Dec. 29, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment			3
Accounts payable and accrued expenses and other current liabilities not yet presented for payment			$ 32		$ 27
Cash and cash equivalents			$ 604		658
Lessee, operating lease, existence of option to extend [true false]			true
Operating lease right-of-use assets			$ 1,398
Operating lease liabilities	[1]		1,208
Cumulative effect adjustments to accumulated deficit			$ 15	$ 4
Accounting Standards Update 2016-02
Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use assets		$ 1,400
Operating lease liabilities		1,600
Derecognition of property and equipment, net		41
Financing obligations derecognized		39
Cumulative effect adjustments to accumulated deficit		15
Impairment charge, net of tax effect, to ROU assets		20
Deferred gain, net of tax effect, related to sales and operating leasebacks		4
Derecognition of assets and liabilities, net of tax		$ 1
Minimum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease			5 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease			25 years
Prepaid Expenses and Other Current Assets
Summary Of Significant Accounting Policies [Line Items]
Restricted cash, included in Prepaid expenses and other current assets			$ 2		$ 2
Non-US
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents			$ 145

[1] Operating lease payments include $155 million related to options to extend lease terms that are reasonably certain of being exercised and exclude $2 million of legally binding lease payments for an additional operating lease signed but not yet commenced. This operating lease will commence in fiscal year 2019 with a lease term of 10 years.