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Equity Method Investment-Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Point Lisas Nitrogen Limited (PLNL)        
Equity method investments        
Ownership interest (as a percent) 50.00%   50.00%  
Point Lisas Nitrogen Limited (PLNL)        
Equity method investments        
Equity Method Investment $ 25   $ 25  
Obligation to purchase ammonia (as a percent)     50.00%  
Purchases of ammonia from PLNL $ 16 $ 36 $ 46 $ 95