Share Repurchase Program, stock accrued during period

No definition available.

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Namespace Prefix:	cf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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-Name Accounting Standards Codification
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+ Details

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

- 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.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of previously issued common shares repurchased by the issuing entity and held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
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+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares of common and preferred stock retired from treasury during the period.

+ References

+ Details

Name:	us-gaap_TreasuryStockSharesRetired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_ShareRepurchaseProgramAxis=cf_A2025ShareRepurchaseProgramMember
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Balance Type:
Period Type:

Stockholders' Equity (Details 2) - USD ($) $ in Millions	3 Months Ended						6 Months Ended		12 Months Ended		24 Months Ended
Stockholders' Equity (Details 2) - USD ($) $ in Millions	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2025	May 06, 2025	Nov. 02, 2022
Equity, Class of Treasury Stock [Line Items]
Treasury stock (in shares)	0		354,264				0		354,264
2022 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and retired during period (in shares)	2,800,000	5,400,000	4,400,000	6,100,000	4,000,000.0	4,300,000	8,200,000	8,300,000	18,800,000	5,600,000	32,600,000
Amount of stock repurchased during period	$ 202	$ 434	$ 385	$ 476	$ 305	$ 347	$ 636	$ 652	$ 1,513	$ 425	$ 2,574
Authorized amount of stock repurchase program													$ 3,000
Share Repurchase Program, stock accrued during period					$ 14			$ 14
Treasury Stock, Shares, Retired	8,300,000
2025 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized amount of stock repurchase program												$ 2,000