Summary of Significant Accounting Policies - Additional Information (Detail)		1 Months Ended		3 Months Ended	12 Months Ended			29 Months Ended
	Jan. 01, 2018 USD ($)	Apr. 30, 2018 USD ($)	Aug. 31, 2016 Store	Sep. 24, 2016 Store	Dec. 29, 2018 USD ($) Segment Customer Store	Dec. 30, 2017 USD ($) Customer Store	Dec. 31, 2016 USD ($) Customer Store	Dec. 29, 2018 USD ($) Customer Store
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment					3
Percent of subsidiary shares owned					88.00%
Assets related to discontinued operation					$ 0	$ 139,000,000		$ 0
Liabilites related to discontinued operation					0	67,000,000		0
Accounts payable and accrued expenses and other current liabilities not yet presented for payment					27,000,000	53,000,000		27,000,000
Cash and cash equivalents					658,000,000	622,000,000		658,000,000
Trade receivables					655,000,000	650,000,000		655,000,000
Allowance for doubtful accounts					$ 10,000,000	$ 9,000,000		$ 10,000,000
Number of customers accounted for more than 10% of total sales | Customer					0	0	0
Number of customers accounted for more than 10% of receivables | Customer					0	0	0	0
Other receivables					$ 230,000,000	$ 281,000,000		$ 230,000,000
Accrued payroll-related expenses					173,000,000	180,000,000		173,000,000
Advertising expenses					270,000,000	264,000,000	$ 272,000,000
Prepaid advertising expenses					5,000,000	6,000,000	11,000,000	5,000,000
Right of use assets					1,400,000,000			1,400,000,000
Right of use liabilities					1,600,000,000			$ 1,600,000,000
Cumulative effect on accumulated deficit, net of tax					4,000,000
Reduction in sales from service					(57,000,000)
Reduction in cost of service					(57,000,000)
Selling, general and administrative expenses					2,193,000,000	2,036,000,000	2,255,000,000
Other income, net					15,000,000	12,000,000	14,000,000
Accounting Standards Update 2014-09
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect on accumulated deficit, net of tax	$ (4,000,000)
Accounting Standards Update 2017-07 | Adjustment
Summary Of Significant Accounting Policies [Line Items]
Selling, general and administrative expenses						(14,000,000)	(13,000,000)
Other income, net						$ 14,000,000	$ 13,000,000
CompuCom Systems, Inc
Summary Of Significant Accounting Policies [Line Items]
Payment to acquire business		$ 18,000,000
Tax Benefit					$ 4,000,000
Comprehensive Business Review
Summary Of Significant Accounting Policies [Line Items]
Number of retail stores planned to be closed | Store			300		50
Retail stores closure period			3 years	3 years
Number of Retail Stores closed | Store					19	63	72	154
Maximum
Summary Of Significant Accounting Policies [Line Items]
Lease term of contract					12 months			12 months
Maximum | Comprehensive Business Review
Summary Of Significant Accounting Policies [Line Items]
Number of retail stores planned to be closed | Store				300
Buildings | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					15 years
Buildings | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					30 years
Furniture, fixtures and equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					3 years
Furniture, fixtures and equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					10 years
Computer Software for Common Office Applications
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					3 years
Computer Software for Larger Business Application
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					5 years
Computer Software for Enterprise Wide Systems
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					7 years
Software | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					3 years
Software | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years					7 years
Vendor Arrangements Receivables
Summary Of Significant Accounting Policies [Line Items]
Other receivables					$ 183,000,000	$ 209,000,000		$ 183,000,000
Prepaid Expenses and Other Current Assets
Summary Of Significant Accounting Policies [Line Items]
Restricted cash, included in Prepaid expenses and other current assets					2,000,000	$ 3,000,000		2,000,000
Non-US
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents					$ 146,000,000			$ 146,000,000