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Noncontrolling Interests (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
T
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Noncontrolling Interest [Line Items]          
Noncontrolling interest   $ 2,830.0 $ 2,681.0    
Earnings attributable to noncontrolling interest   343.0 115.0 $ 153.0  
Declaration of distributions payable   (194.0) (174.0) (186.0)  
CF Industries Nitrogen, LLC          
Noncontrolling Interest [Line Items]          
Distributions Payable to Minority Interest   0.0 0.0 0.0 $ 0.0
Noncontrolling interest   2,830.0 2,681.0 2,740.0 $ 2,773.0
Earnings attributable to noncontrolling interest   343.0 115.0 153.0  
Declaration of distributions payable   $ 194.0 174.0 186.0  
Right to purchase maximum annual granular urea (in tons) | T   1,100,000      
Maximum annual UAN eligible for purchase at market prices (in tons) | T   580,000      
Declaration of distributions payable   $ (194.0) (174.0) (186.0)  
Minority Interest Distributions to Noncontrolling Interest Holders   $ 194.0 174.0 186.0  
Subsequent Event | CF Industries Nitrogen, LLC          
Noncontrolling Interest [Line Items]          
Declaration of distributions payable $ (247.0)        
CHS Inc. | CF Industries Nitrogen, LLC          
Noncontrolling Interest [Line Items]          
Percentage of ownership interest held by outside investors   11.00%      
Noncontrolling Interest          
Noncontrolling Interest [Line Items]          
Declaration of distributions payable   $ (194.0) $ (174.0) $ (186.0)