Merger, Restructuring and Other Activity - Additional Information (Detail)	1 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended					12 Months Ended		29 Months Ended
	May 31, 2021 USD ($)	May 31, 2020 USD ($) Employee	Sep. 24, 2022 USD ($) Segment Store	Sep. 25, 2021 USD ($)	Jun. 25, 2022 Segment	Sep. 24, 2022 USD ($)	Sep. 24, 2022 Segment	Sep. 24, 2022 Division	Sep. 24, 2022 Store	Sep. 25, 2021 USD ($)	Dec. 25, 2021 Store	Dec. 26, 2020 Store Facility	Sep. 24, 2022 USD ($)
Merger Restructuring And Other Activity [Line Items]
Merger transaction income impact of earnout adjustments on acquisition			$ 7,000,000
Transaction and integration expenses				$ 0		$ 0				$ 0
Income impact of earnout adjustments on acquisitions made in prior periods						1,000,000
Costs to implement restructuring plan						47,000,000
Restructuring cash expenditure						42,000,000
Number of reportable segments			4		2		4	4
Professional fees										1,000,000
USR Parent, Inc.
Merger Restructuring And Other Activity [Line Items]
Professional fees				1,000,000						4,000,000
Maximize B2B Restructuring Plan
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 2,000,000	4,000,000		4,000,000				13,000,000			$ 97,000,000
Number of retail stores closed | Store			10						28		111	70
Number of distribution facilities closed | Facility												2
Gain on sale of retail stores assets										1,000,000
Restructuring cash expenditure			$ 2,000,000	2,000,000		5,000,000				17,000,000
Maximize B2B Restructuring Plan | Cash Expenditures
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan													$ 58,000,000
Maximize B2B Restructuring Plan | Severance Costs
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan		$ 49,000,000	1,000,000	1,000,000		2,000,000				2,000,000
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		5,000,000						15,000,000
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				5,000,000
Restructuring cash expenditure						5,000,000
Maximize B2B Restructuring Plan | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan										1,000,000
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				$ 9,000,000		$ 33,000,000				$ 20,000,000
Re-alignment | Third-Party Professional Fees
Merger Restructuring And Other Activity [Line Items]
Costs to implement restructuring plan			$ 14,000,000