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Summary of Significant Accounting Policies - Additional Information (Detail)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2024
USD ($)
Sep. 28, 2024
USD ($)
Sep. 28, 2024
USD ($)
Division
Sep. 28, 2024
USD ($)
Segment
Sep. 30, 2023
USD ($)
Dec. 30, 2023
USD ($)
Summary Of Significant Accounting Policies [Line Items]            
Number of reportable segments     3 3    
Accounts payable and accrued expenses and other current liabilities not yet presented for payment $ 11 $ 11 $ 11 $ 11   $ 13
Cash and cash equivalents 181 181 181 181   381
Restricted cash 5 5 $ 5 $ 5   $ 3
Legal matter monetization $ 70 $ 70        
Restricted Cash and Cash Equivalents, Current, Statement of Financial Position [Extensible Enumeration] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current   Prepaid Expense and Other Assets, Current
Revenue recognition included in short-term contract liabilities   $ 12     $ 21  
Varis Division            
Summary Of Significant Accounting Policies [Line Items]            
Cash $ 11 11 $ 11 $ 11   $ 10
Non-US            
Summary Of Significant Accounting Policies [Line Items]            
Cash and cash equivalents $ 58 58 $ 58 $ 58   $ 106
CANADA            
Summary Of Significant Accounting Policies [Line Items]            
Cash repatriated   25        
Cash and cash equivalents repatriation cost   $ 1