v3.25.4
Financial Instruments - Celsius and Other AFS (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 27, 2025
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Celsius and Other AFS [Line Items]        
Impairment Losses, Investments, Available-for-Sale Securities1 $ 0 $ 0 $ 0  
Significant unobservable input used in level 3 fair value measurement - Other AFS, discount rate assumption   8.30%    
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 860 $ 334    
Total, AFS debt securities        
Celsius and Other AFS [Line Items]        
Debt Securities, Available-for-sale 2,127 1,041    
Celsius, AFS debt security        
Celsius and Other AFS [Line Items]        
Payments to Acquire Debt Securities, Available-for-Sale $ 585     $ 550
Preferred Stock, Redemption Terms seven      
Preferred Stock, Convertible, Conversion Price $ 51.75   $ 25 $ 75
Preferred Stock, Dividend Rate, Percentage 5.00%     5.00%
Preferred Stock, Convertible, Terms six      
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) $ (30) $ (21)    
Significant unobservable input used in level 3 fair value measurement - Celsius 8.50% 7.30%    
Significant unobservable input used in level 3 fair value measurement - Celsius, probability assumption 80.00% 80.00%    
Fair Value, Recurring Basis, Unobservable Input Reconciliation, Asset (Liability), Gain (Loss), OCI $ 507 $ (350)    
Debt Securities, Available-for-sale 1,852 785 $ 1,156  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases 590 0    
Other, AFS debt securities        
Celsius and Other AFS [Line Items]        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 0 184    
Fair Value, Recurring Basis, Unobservable Input Reconciliation, Asset (Liability), Gain (Loss), OCI $ 19 72    
Significant unobservable input used in level 3 fair value measurement - Other AFS, discount rate assumption 8.30%      
Debt Securities, Available-for-sale $ 275 $ 256 $ 0