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Financing Agreements
 3 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Financing Agreements
Revolving Credit Agreement
We have a senior unsecured revolving credit agreement (the Revolving Credit Agreement), which provides for revolving credit facility commitments of up to $750 million with a maturity of September 4, 2030 and includes a letter of credit sub-limit of $125 million and a swingline loan sub-limit of $75 million. Borrowings under the Revolving Credit Agreement may be used for working capital, capital expenditures, acquisitions, share repurchases and other general corporate purposes. CF Industries is the lead borrower, and CF Holdings is the sole guarantor, under the Revolving Credit Agreement.
Borrowings under the Revolving Credit Agreement can be denominated in U.S. dollars, Canadian dollars, euros and British pounds. Borrowings in U.S. dollars bear interest at an annual rate equal to, at our option, an applicable adjusted term secured overnight financing rate (or a similar benchmark rate for non-U.S. dollar borrowings) plus a specified margin, or base rate plus a specified margin. We are required to pay a commitment fee on the undrawn portion of the commitments under the Revolving Credit Agreement and customary letter of credit fees. The specified margins and the amount of the commitment fee will depend on CF Holdings’ credit rating at the time.
As of March 31, 2026, we had unused borrowing capacity under the Revolving Credit Agreement of $750 million and no outstanding letters of credit under the Revolving Credit Agreement. In addition, there were no borrowings outstanding under the Revolving Credit Agreement during the three months ended March 31, 2026, or as of December 31, 2025.
The Revolving Credit Agreement contains representations and warranties and affirmative and negative covenants, including one financial covenant. As of March 31, 2026, we were in compliance with all covenants under the Revolving Credit Agreement.
Letters of Credit Under Reimbursement Agreement
We are party to a reimbursement agreement providing for the issuance of up to $425 million of letters of credit. As of March 31, 2026, approximately $335 million of letters of credit were outstanding under this agreement. The primary purpose of the letters of credit outstanding is to provide credit support to Canadian taxing authorities for amounts related to certain tax years that were reassessed and objected to, and which have been accepted for consideration under the bilateral settlement provisions of the U.S.-Canada tax treaty by the United States and Canadian competent authorities.
Senior Notes
Long-term debt presented on our consolidated balance sheets as of March 31, 2026 and December 31, 2025 consisted of the following debt securities issued by CF Industries:
 Effective Interest RateMarch 31, 2026December 31, 2025
 Principal Outstanding
Carrying Amount(1)
Principal Outstanding
Carrying Amount(1)
(in millions)
Public Senior Notes:
5.150% due March 2034
5.293%$750 $743 $750 $743 
5.300% due November 2035
5.444%1,000 989 1,000 989 
4.950% due June 2043
5.040%750 743 750 742 
5.375% due March 2044
5.478%750 741 750 741 
Total long-term debt$3,250 $3,216 $3,250 $3,215 
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(1)Carrying amount is net of unamortized debt discount and deferred debt issuance costs. Total unamortized debt discount was $5 million as of both March 31, 2026 and December 31, 2025, and total deferred debt issuance costs were $29 million and $30 million as of March 31, 2026 and December 31, 2025, respectively. 
Under the indentures (including the applicable supplemental indentures) governing the senior notes due 2034, 2035, 2043 and 2044 (the Public Senior Notes), each series of notes is guaranteed by CF Holdings. Interest on the Public Senior Notes is payable semiannually, and the Public Senior Notes are redeemable at our option, in whole at any time or in part from time to time, at specified redemption prices.