v3.26.1
Equity Method Investment-Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
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 $ 36   $ 36  
Obligation to purchase ammonia (as a percent)     50.00%  
Purchases of ammonia from PLNL $ 43 $ 21 $ 81 $ 55