v3.25.4
Commitments and Contingencies (Details)
Kč in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2025
USD ($)
Sep. 30, 2023
multiplier
May 02, 2022
USD ($)
coinventor
patent
Jan. 02, 2026
USD ($)
Dec. 27, 2024
USD ($)
Jan. 02, 2026
USD ($)
Dec. 27, 2024
USD ($)
Feb. 27, 2020
CZK (Kč)
Loss Contingencies [Line Items]                
Estimated loss (low end) | Kč               Kč 351
Loss contingency accrual       $ 10,000,000 $ 63,000,000 $ 18,000,000 $ 103,000,000  
Trustees of the University of Columbia in the City of New York v. NortonLifeLock                
Loss Contingencies [Line Items]                
Loss contingency, patents allegedly infringed, number | patent     2          
Litigation settlement payment     $ 185,000,000          
Number of coinventors | coinventor     2          
Value of damages awarded     $ 0          
Multiplier | multiplier   2.6            
Estimated loss (low end)       $ 609,000,000   $ 609,000,000    
MALKA Seller Members Litigation | MoneyLion Inc. | Seller Members                
Loss Contingencies [Line Items]                
Value of damages awarded $ 48,000,000