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Equity Method Investment-Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Point Lisas Nitrogen Limited (PLNL) |  |
Equity method investments |  |
Ownership interest (as a percent) | 50.00% |
Point Lisas Nitrogen Limited (PLNL) |  |
Equity method investments |  |
Equity Method Investment | $ 39 |
Obligation to purchase ammonia (as a percent) | 50.00% |
Purchases of ammonia from PLNL | $ 38 | $ 34

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