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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Financing Agreements - Narrative (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022	Dec. 05, 2019	Jul. 29, 2016
Financing agreements
Principal	$ 3,000,000,000	$ 3,000,000,000
Letter of Credit \| Letter of Credit
Financing agreements
Maximum borrowing capacity	350,000,000
Line of Credit Facility, Fair Value of Amount Outstanding	205,000,000
CF Industries \| Credit Agreement
Financing agreements
Available credit	750,000,000
Outstanding letters of credit	0
Long-term Line of Credit	$ 0	$ 0
CF Industries \| Amendment No. 4 to the Third Amended and Restated Revolving Credit Agreement \| Letter of Credit \| Revolving Credit Facility
Financing agreements
Maximum borrowing capacity			$ 750,000,000
CF Industries \| July 2016 Credit Agreement Amendment \| Letter of Credit \| Letter of Credit
Financing agreements
Maximum borrowing capacity				$ 125,000,000