v3.26.1
Debt - Narrative (Details)
kr in Millions, $ in Millions
3 Months Ended 6 Months Ended 36 Months Ended
Jul. 27, 2023
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jul. 27, 2026
Jun. 16, 2026
USD ($)
Apr. 03, 2026
USD ($)
Dec. 31, 2025
USD ($)
Aug. 31, 2025
NOK (kr)
Aug. 31, 2023
USD ($)
Jul. 31, 2023
USD ($)
Feb. 23, 2022
USD ($)
Debt Instrument [Line Items]                        
Loss on debt extinguishment     $ (35) $ 0                
Long-term debt   $ 737 737         $ 613        
SFL Hercules Ltd                        
Debt Instrument [Line Items]                        
Guarantor obligations, maximum exposure, undiscounted   58 58           kr 574      
$700 million senior bond | Senior Notes                        
Debt Instrument [Line Items]                        
Debt instrument, face amount   $ 700 $ 700                  
Debt instrument, interest rate (as percent)   6.75% 6.75%                  
$575 million secured bond (Level 1) | Secured Debt                        
Debt Instrument [Line Items]                        
Debt instrument, face amount   $ 575 $ 575             $ 75 $ 500  
Debt instrument, interest rate (as percent)                   8.375% 8.375%  
Loss on debt extinguishment   (35)                    
Five Year First Lien Revolving Credit Facility | SFL Hercules Ltd                        
Debt Instrument [Line Items]                        
Guarantor obligations, maximum exposure, undiscounted   41 $ 41           kr 403      
Five Year First Lien Revolving Credit Facility | Revolving Credit Facility                        
Debt Instrument [Line Items]                        
Debt instrument, term 5 years                      
Maximum borrowing capacity $ 225         $ 300            
Line of credit facility, accordion feature, increase limit 100                      
Basis spread on variable rate (as a percent)     2.50%                  
Outstanding letters of credit and bank guarantees   52 $ 52                  
Five Year First Lien Revolving Credit Facility | Revolving Credit Facility | SFL Hercules Ltd                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity   $ 248 $ 248                  
Five Year First Lien Revolving Credit Facility | Revolving Credit Facility | Forecast                        
Debt Instrument [Line Items]                        
Line of credit facility, unused capacity, commitment fee percentage         0.50%              
Five Year First Lien Revolving Credit Facility | Revolving Credit Facility | Minimum                        
Debt Instrument [Line Items]                        
Basis spread on variable rate (as a percent)     2.50%                  
Five Year First Lien Revolving Credit Facility | Revolving Credit Facility | Maximum                        
Debt Instrument [Line Items]                        
Basis spread on variable rate (as a percent)     3.50%                  
Five Year First Lien Revolving Credit Facility | Letter of Credit                        
Debt Instrument [Line Items]                        
Long-term debt $ 50           $ 100          
Unsecured senior convertible bond | Convertible debt                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                       $ 50
Debt instrument, interest rate (as percent)                       6.00%
Debt conversion, converted instrument ratio     0.0526316