Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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-Section 55
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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-SubTopic 10
-Section S99
-Paragraph 1
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Balance Type:	credit
Period Type:	instant

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

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Financing Agreements - Narrative (Details) - USD ($)	Dec. 13, 2019	Sep. 30, 2020	Dec. 31, 2019	Dec. 05, 2019	Nov. 13, 2019	Jul. 29, 2016
Financing agreements
Line of Credit Facility, Fair Value of Amount Outstanding		$ 500,000,000
Letter of Credit \| Letter of Credit
Financing agreements
Maximum borrowing capacity		145,000,000
Line of Credit Facility, Fair Value of Amount Outstanding		126,000,000
CF Industries \| Unsecured Senior Notes 7.125 Percent Due 2020 \| Senior Notes
Financing agreements
Interest rate (as a percent)			7.125%
Debt Instrument, Face Amount					$ 500,000,000
CF Industries \| Credit Agreement
Financing agreements
Available credit		750,000,000
Outstanding letters of credit		$ 0
Long-term Line of Credit			$ 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
CF Industries \| Senior Notes 3.400% Due 2021 \| Senior Notes
Financing agreements
Interest rate (as a percent)		3.40%	3.40%
Debt Instrument, Face Amount	$ 500,000,000
Early Repayment of Senior Debt	$ 250,000,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	50.00%