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Asset Retirement Obligations (Details) $ in Millions	Dec. 31, 2021 USD ($)
Asset Retirement Obligation [Line Items]
Unrecorded AROs	$ 116

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- References

No definition available.

+ Details

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Namespace Prefix:	cf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

The estimated amount of a liability for an asset retirement obligation which has not been recognized because fair value cannot be reasonably estimated.

+ References

No definition available.

+ Details

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