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Revenue Recognition - Narrative (Details) T in Thousands, $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Dec. 01, 2023 USD ($) T | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Customer advances |  | $ 477 |  | $ 477 |  | $ 118
Revenue, Performance Obligation, description of returns and other similar obligations, unfulfilled minimum contractual right of payment |  | 1,200 |  | 1,200 |  |
Depreciation and amortization |  |  |  | 670 | $ 704 |
Supply contract liability |  | 701 |  | 701 |  | $ 724
Waggaman Ammonia Production Facility | Supply Agreements |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life | 25 years |  |  |  |  |
Waggaman Ammonia Production Facility |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Business Combination, Long Term Supply Commitment Acquired, Committed Annual Amount | T | 200 |  |  |  |  |
Business Combination, Recognized Liability Assumed, Contingent Liability | $ 757 |  |  |  |  |
Waggaman Ammonia Production Facility | Supply Contracts |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Depreciation and amortization |  | 8 | $ 8 | 23 | $ 23 |
Remainder of 2025 |  | 7 |  | 7 |  |
2026 |  | 30 |  | 30 |  |
2027 |  | 30 |  | 30 |  |
2028 |  | 30 |  | 30 |  |
2029 |  | 30 |  | 30 |  |
2030 |  | $ 30 |  | $ 30 |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
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