Merger, Restructuring and Other Activity - Additional Information (Detail)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended		26 Months Ended
	May 31, 2021 USD ($)	May 31, 2020 USD ($) Employee	Jun. 25, 2022 USD ($) Store	Jun. 26, 2021 USD ($)	Jun. 25, 2022 USD ($) Store	Jun. 26, 2021 USD ($)	Dec. 25, 2021 USD ($) Store	Dec. 26, 2020 Store Facility	Jun. 25, 2022 USD ($)
Merger Restructuring And Other Activity [Line Items]
Transaction and integration expenses			$ 0	$ 0	$ 0	$ 1,000,000
Costs to implement restructuring plan					33,000,000
Restructuring cash expenditure					21,000,000
USR Parent, Inc.
Merger Restructuring And Other Activity [Line Items]
Professional fees				2,000,000		3,000,000
Maximize B2B Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 1,000,000	(2,000,000)	$ 2,000,000	8,000,000			$ 96,000,000
Number of retail stores closed | Store			12		18		111	70
Number of distribution facilities closed | Facility								2
Gain on sale of retail stores assets				1,000,000		1,000,000
Restructuring cash expenditure				11,000,000		15,000,000
Maximize B2B Restructuring Plan | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan									$ 56,000,000
Maximize B2B Restructuring Plan | Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 49,000,000	$ 1,000,000	2,000,000	$ 1,000,000	1,000,000
Maximize B2B Restructuring Plan | Retail Store and Facility Closure Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		34,000,000		$ 1,000,000		$ 10,000,000
Maximize B2B Restructuring Plan | Other Costs Including Contract Termination Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 28,000,000			2,000,000
Restructuring cash expenditure					3,000,000
Maximize B2B Restructuring Plan | Maximum
Merger Restructuring And Other Activity [Line Items]
Number of expected reduction in employee position | Employee		13,100
Costs to implement restructuring plan		$ 111,000,000
Maximize B2B Restructuring Plan | Maximum | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan	$ 111,000,000	$ 111,000,000
Planned Separation of Consumer Business | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 23,000,000		$ 33,000,000		$ 32,000,000