Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended								9 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($) Customer	Sep. 24, 2022 USD ($) Segment	Jun. 25, 2022 USD ($) Segment	Mar. 26, 2022 USD ($)	Dec. 25, 2021 USD ($) Customer	Sep. 25, 2021 USD ($)	Jun. 26, 2021 USD ($)	Mar. 27, 2021 USD ($)	Sep. 24, 2022 Division	Dec. 31, 2022 USD ($) Segment Customer	Dec. 25, 2021 USD ($) Customer	Dec. 26, 2020 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Percent of subsidiary shares owned										88.00%
Number of reportable segments		4	2						4	4
Percentage of service revenue post discontinued operation										10.00%
Accounts payable and accrued expenses and other current liabilities not yet presented for payment	$ 16,000,000				$ 0					$ 16,000,000	$ 0
Current liabilities held for sale not yet presented for payment					1,000,000						1,000,000
Cash and cash equivalents	403,000,000				514,000,000					403,000,000	514,000,000
Restricted cash	$ 1,000,000				$ 0					$ 1,000,000	$ 0
Restricted Cash And Cash Equivalents Current Asset Statement Of Financial Position Extensible List	Prepaid expenses and other current assets				Prepaid expenses and other current assets					Prepaid expenses and other current assets	Prepaid expenses and other current assets
Trade receivables	$ 536,000,000				$ 495,000,000					$ 536,000,000	$ 495,000,000
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	0
Other receivables	$ 123,000,000				$ 143,000,000					$ 123,000,000	$ 143,000,000
Accrued payroll and benefits	158,000,000				148,000,000					158,000,000	148,000,000
Short-term contract liabilities	41,000,000				52,000,000					41,000,000	52,000,000
Revenue recognition included in short-term contract liabilities										27,000,000	24,000,000
Recognition of contract assets as a result of business combination										0	0
Recognition of contract liabilities as a result of business combination										0	2,000,000
Significant adjustment to revenue from performance obligations										0	0
Contract with customer, asset, reclassified to receivable										0	0
Short-term contract assets	8,000,000				16,000,000					8,000,000	16,000,000
Long-term contract assets	2,000,000				8,000,000					2,000,000	8,000,000
Long-term contract liabilities					2,000,000						2,000,000
Capitalized contract cost, amortization										20,000,000	24,000,000	$ 29,000,000
Impairment charges related to contract assets	6,000,000	$ 3,000,000	$ 3,000,000	$ 2,000,000	2,000,000	$ 5,000,000	$ 1,000,000	$ 12,000,000		14,000,000	20,000,000	182,000,000
Advertising expenses										130,000,000	139,000,000	177,000,000
Prepaid advertising expenses	3,000,000				4,000,000					$ 3,000,000	4,000,000
Lessee, operating lease, existence of option to extend [true false]										true
Contract Assets
Summary Of Significant Accounting Policies [Line Items]
Impairment charges related to contract assets										$ 0	0	$ 0
CompuCom Division
Summary Of Significant Accounting Policies [Line Items]
Short-term contract liabilities					10,000,000						10,000,000
Short-term contract assets	$ 1,000,000									$ 1,000,000
Long-term contract assets					1,000,000						1,000,000
Long-term contract liabilities					2,000,000						2,000,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease	5 years									5 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease	25 years									25 years
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
Trade Receivables
Summary Of Significant Accounting Policies [Line Items]
Trade receivables	$ 412,000,000				353,000,000					$ 412,000,000	353,000,000
Allowance for doubtful accounts	8,000,000				9,000,000					8,000,000	9,000,000
Vendor Arrangements Receivables
Summary Of Significant Accounting Policies [Line Items]
Other receivables	82,000,000				104,000,000					82,000,000	104,000,000
Accrued Expenses and Other Current Liabilities
Summary Of Significant Accounting Policies [Line Items]
Short-term contract liabilities	15,000,000				12,000,000					15,000,000	12,000,000
Non-US
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	113,000,000				$ 108,000,000					113,000,000	$ 108,000,000
Non-US | Current Asset Held For Sale
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 17,000,000									$ 17,000,000