Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended								12 Months Ended
	Dec. 30, 2023 USD ($) Customer	Sep. 30, 2023 USD ($)	Jul. 01, 2023 USD ($)	Apr. 01, 2023 USD ($)	Dec. 31, 2022 USD ($) Customer	Sep. 24, 2022 USD ($)	Jun. 25, 2022 USD ($)	Mar. 26, 2022 USD ($)	Dec. 30, 2023 USD ($) Customer	Dec. 30, 2023 USD ($) Customer	Dec. 30, 2023 USD ($) Customer Division	Dec. 30, 2023 USD ($) Customer	Dec. 30, 2023 USD ($) Customer Segment	Dec. 31, 2022 USD ($) Customer	Dec. 25, 2021 USD ($) Customer	Dec. 26, 2020 Customer
Summary Of Significant Accounting Policies [Line Items]
Percent of subsidiary shares owned										88.00%
Number of reportable segments											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	$ 13,000,000				$ 16,000,000				$ 13,000,000	$ 13,000,000	$ 13,000,000	$ 13,000,000	$ 13,000,000	$ 16,000,000
Cash and cash equivalents	392,000,000				403,000,000				392,000,000	392,000,000	392,000,000	392,000,000	392,000,000	403,000,000
Restricted cash	$ 3,000,000				$ 1,000,000				$ 3,000,000	$ 3,000,000	$ 3,000,000	$ 3,000,000	$ 3,000,000	$ 1,000,000
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	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	$ 487,000,000				$ 536,000,000				$ 487,000,000	$ 487,000,000	$ 487,000,000	$ 487,000,000	$ 487,000,000	$ 536,000,000
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	0	0	0		0
Other receivables	$ 119,000,000				$ 123,000,000				$ 119,000,000	$ 119,000,000	$ 119,000,000	$ 119,000,000	$ 119,000,000	$ 123,000,000
Accrued payroll and benefits	125,000,000				158,000,000				125,000,000	125,000,000	125,000,000	125,000,000	125,000,000	158,000,000
Short-term contract liabilities	32,000,000				41,000,000				32,000,000	32,000,000	32,000,000	32,000,000	32,000,000	41,000,000
Revenue recognition included in short-term contract liabilities									26,000,000					27,000,000
Recognition of contract assets as a result of business combination									0					0
Significant adjustment to revenue from performance obligations									0					0
Contract with customer, asset, reclassified to receivable									0					0
Short-term contract assets	4,000,000				8,000,000				4,000,000	4,000,000	4,000,000	4,000,000	4,000,000	8,000,000
Long-term contract assets	1,000,000				2,000,000				1,000,000	1,000,000	1,000,000	1,000,000	1,000,000	2,000,000
Capitalized contract cost, amortization									13,000,000					20,000,000	$ 24,000,000
Impairment charges related to contract assets	72,000,000	$ 3,000,000	$ 6,000,000	$ 4,000,000	6,000,000	$ 3,000,000	$ 3,000,000	$ 2,000,000	85,000,000					14,000,000	20,000,000
Advertising expenses									128,000,000					130,000,000	139,000,000
Prepaid advertising expenses	$ 2,000,000				3,000,000				2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 3,000,000
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
Minimum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease	5 years								5 years	5 years	5 years	5 years	5 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Extend renewal terms of the lease	25 years								25 years	25 years	25 years	25 years	25 years
Buildings | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	15 years								15 years	15 years	15 years	15 years	15 years
Buildings | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	30 years								30 years	30 years	30 years	30 years	30 years
Furniture, fixtures and equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	3 years								3 years	3 years	3 years	3 years	3 years
Furniture, fixtures and equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	10 years								10 years	10 years	10 years	10 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								3 years	3 years	3 years	3 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								5 years	5 years	5 years	5 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								7 years	7 years	7 years	7 years	7 years
Software | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	3 years								3 years	3 years	3 years	3 years	3 years
Software | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of depreciable assets, years	7 years								7 years	7 years	7 years	7 years	7 years
Trade Receivables
Summary Of Significant Accounting Policies [Line Items]
Trade receivables	$ 369,000,000				412,000,000				$ 369,000,000	$ 369,000,000	$ 369,000,000	$ 369,000,000	$ 369,000,000	412,000,000
Allowance for doubtful accounts	12,000,000				8,000,000				12,000,000	12,000,000	12,000,000	12,000,000	12,000,000	8,000,000
Vendor Arrangements Receivables
Summary Of Significant Accounting Policies [Line Items]
Other receivables	77,000,000				82,000,000				77,000,000	77,000,000	77,000,000	77,000,000	77,000,000	82,000,000
Accrued Expenses and Other Current Liabilities
Summary Of Significant Accounting Policies [Line Items]
Short-term contract liabilities	6,000,000				15,000,000				6,000,000	6,000,000	6,000,000	6,000,000	6,000,000	15,000,000
Non-US
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 106,000,000				$ 113,000,000				$ 106,000,000	$ 106,000,000	$ 106,000,000	$ 106,000,000	$ 106,000,000	$ 113,000,000