v3.25.2
Financing Agreements - Narrative (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Oct. 26, 2023
Letter of Credit | Letter of Credit      
Financing agreements      
Maximum borrowing capacity $ 425,000,000    
Line of Credit Facility, Fair Value of Amount Outstanding 342,000,000    
CF Industries | Letter of Credit | Revolving Credit Facility      
Financing agreements      
Maximum borrowing capacity     $ 750,000,000
CF Industries | Letter of Credit | Letter of Credit      
Financing agreements      
Maximum borrowing capacity     $ 125,000,000
CF Industries | Credit Agreement      
Financing agreements      
Available credit 750,000,000    
Outstanding letters of credit 0    
Long-term Line of Credit $ 0 $ 0