v3.26.3
DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details)
$ in Millions
3 Months Ended 9 Months Ended 21 Months Ended
Sep. 09, 2026
USD ($)
hydrogenPlant
Sep. 30, 2025
USD ($)
earn-outYear
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
earn-outYear
Jun. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
earn-outYear
Sep. 30, 2026
USD ($)
Dec. 31, 2025
Mar. 31, 2025
USD ($)
Description of Business [Line Items]                    
Percentage of ownership in PBF LLC [1]     100.00%     100.00%   100.00% 100.00%  
Number of Hydrogen Plants Acquired | hydrogenPlant 2                  
Payments to Acquire Property, Plant, and Equipment           $ 594.9 $ 415.6      
Hydrogen plants acquired through Promissory Note issuance           341.1 0.0      
Unallocated insurance proceeds         $ 250.0          
Insurance Settlements Receivable   $ 250.0   $ 250.0     250.0     $ 61.0
Gain on insurance recoveries, net     $ 0.0 $ (250.0)   (356.5) $ (439.0)      
Number of Terminal Facilities Sold | earn-outYear   2   2     2      
Proceeds from Sale of Assets, Excluding Commissions and Fees   $ 175.4                
Loss (gain) on sale of assets     (0.7) $ 94.0   (1.0) $ 94.2      
Hydrogen Plant Asset Purchase                    
Description of Business [Line Items]                    
Payments to Acquire Property, Plant, and Equipment $ 44.8                  
Hydrogen plants acquired through Promissory Note issuance 341.1                  
Property, Plant and Equipment, Gross 388.4                  
Operating Lease, Liability Derecognized 139.7                  
Operating Lease, Right Of Use Asset Derecognized $ (140.2)                  
Terminals Assets Sale                    
Description of Business [Line Items]                    
Loss (gain) on sale of assets       94.0     94.0      
Martinez Fire                    
Description of Business [Line Items]                    
Insurance deductibles and retentions             $ 30.0      
Waiting period for interruption coverage             60 days      
Unallocated insurance proceeds     0.0     356.5   $ 1,250.0    
Gain on insurance recoveries, net           (356.5)   $ (1,250.0)    
Operating expenses     $ 0.0 $ 14.6   $ 34.2 $ 123.1      
Class A Common Stock | PBF Energy Inc.                    
Description of Business [Line Items]                    
Percentage of ownership in PBF LLC     99.30%     99.30%   99.30% 99.30%  
Series A Units | PBF LLC                    
Description of Business [Line Items]                    
Percentage of ownership in PBF LLC     0.70%     0.70%   0.70% 0.70%  
[1] Assumes all of the holders of PBF LLC Series A Units exchange their PBF LLC Series A Units for shares of PBF Energy Class A common stock on a one-for-one basis.