XML 75 R64.htm IDEA: XBRL DOCUMENT
v3.21.2

Contingencies (Details) $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Apr. 17, 2015 Entity Insurance_company People Plaintiff | Apr. 17, 2013 People | Mar. 31, 2016 mine processingFacility | Sep. 30, 2021 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, number of processing facilities | processingFacility |  |  | 3 |
Pending Litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of people killed |  | 15 |  |
Number of people injured |  | 200 |  |
Number of plaintiffs | Plaintiff | 400 |  |  |
Number of entities that filed claims | Entity | 9 |  |  |
Number of people that filed claims | 325 |  |  |
Number of insurance companies that filed claims | Insurance_company | 80 |  |  |
Loss Contingency, Estimate of Possible Loss | $ |  |  |  | $ 37
IDAHO |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, number of mines | mine |  |  | 18 |

X
- Definition Loss contingency, number of processing facilities + References No definition available. + Details
Name: | cf_LossContingencyNumberOfProcessingFacilities
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of Entities that Filed Claims + References No definition available. + Details
Name: | cf_LossContingencyNumberofEntitiesthatFiledClaims
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of Insurance Companies that Filed Claims + References No definition available. + Details
Name: | cf_LossContingencyNumberofInsuranceCompaniesthatFiledClaims
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of People Injured + References No definition available. + Details
Name: | cf_LossContingencyNumberofPeopleInjured
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of People Killed + References No definition available. + Details
Name: | cf_LossContingencyNumberofPeopleKilled
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of People that Filed Claims + References No definition available. + Details
Name: | cf_LossContingencyNumberofPeoplethatFiledClaims
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss contingency, number of mines + References No definition available. + Details
Name: | cf_Losscontingencynumberofmines
Namespace Prefix: | cf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_ID
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |