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Property, Plant and Equipment-Net
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment-Net Property, Plant and Equipment—Net
Property, plant and equipment—net consists of the following:
 December 31,
 20252024
 (in millions)
Land$109 $114 
Machinery and equipment13,957 13,801 
Buildings and improvements1,043 1,011 
Construction in progress709 482 
Property, plant and equipment(1)
15,818 15,408 
Less: Accumulated depreciation and amortization9,103 8,673 
Property, plant and equipment—net$6,715 $6,735 
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(1)As of December 31, 2025 and 2024, we had property, plant and equipment that was accrued but unpaid of approximately $118 million and $101 million, respectively.

Depreciation and amortization related to property, plant and equipment was $892 million, $921 million and $861 million in 2025, 2024 and 2023, respectively.
Plant turnarounds—Scheduled inspections, replacements and overhauls of plant machinery and equipment at our continuous process manufacturing facilities during a full plant shutdown are referred to as plant turnarounds. The expenditures related to plant turnarounds are capitalized in property, plant and equipment when incurred.
Scheduled replacements and overhauls of plant machinery and equipment during a plant turnaround include the dismantling, repair or replacement and installation of various components including piping, valves, motors, turbines, pumps, compressors and heat exchangers and the replacement of catalysts. Scheduled inspections, including required safety inspections
which entail the disassembly of various components such as steam boilers, pressure vessels and other equipment requiring safety certifications, are also conducted during plant turnarounds. Internal employee costs and overhead amounts are not considered plant turnaround costs and are not capitalized.
The following is a summary of capitalized plant turnaround costs:
 Year ended December 31,
 202520242023
 (in millions)
Net capitalized turnaround costs as of January 1$363 $352 $312 
Additions214 186 165 
Depreciation(152)(171)(138)
Acquisition of Waggaman ammonia production facility— — 16 
Effect of exchange rate changes and other2 (4)(3)
Net capitalized turnaround costs as of December 31$427 $363 $352 
Yazoo City Incident
In November 2025, we experienced an incident in the AN upgrade area at our Yazoo City complex. The facility’s ammonia plant and other upgrade units were not damaged by the incident. However, the incident required us to temporarily idle all production at the site. As a result of the damage incurred and based on estimates and assumptions of a preliminary review of the impact, we recorded an impairment of certain fixed assets within our North American AN asset group of $25 million, which primarily consisted of machinery and equipment and is included in the line titled “Asset impairment” in our consolidated statement of operations for the year ended December 31, 2025. In addition, we concluded that the incident necessitated evaluations of the long-lived assets within our North American AN asset group and the goodwill allocated to our North American AN reporting unit to determine if their fair value had declined to below their carrying value. The results of our long-lived asset impairment test indicated that there was no additional impairment as the undiscounted estimated future cash flows for the North American AN asset group exceeded its carrying value. See Note 7—Goodwill and Other Intangible Assets for additional information.
Abandonment of Electrolyzer Project
Decarbonization projects in our existing network included an electrolyzer project at our Donaldsonville complex to produce ammonia with hydrogen sourced from an electrolysis process that produces no CO2 emissions. Commissioning of the 20-megawatt alkaline water electrolysis plant to produce hydrogen was suspended due to an issue experienced in the fourth quarter of 2024. In December 2025, upon completion of a review of the incremental investment and operating costs necessary to complete and operate the project, we concluded such investment would not result in an acceptable return. As a result, we made the decision to not make the incremental investment to the electrolyzer project in favor of the higher return profile from low-carbon ammonia production with carbon capture and sequestration technologies. As a result, we recognized an impairment charge of $51 million, which is included in the line titled “Asset impairment” in our consolidated statement of operations for the year ended December 31, 2025.
United Kingdom Operations
In the second quarter of 2022, we approved and announced our proposed plan to restructure our U.K. operations, including the planned permanent closure of the Ince facility, which had been idled since September 2021. For property, plant and equipment within the Ince, U.K. asset group, an asset group planned for abandonment, we first considered use of a market or income-based valuation method. However, given that a secondary market did not exist and the assets had been idled with a planned abandonment and therefore would not generate future cash flows from operations, we estimated the fair value of the asset group by determining the replacement cost of the underlying assets and then adjusting each of the asset categories to an estimated salvage value utilizing industry recognized price publications. In the third quarter of 2022, the final restructuring plan was approved, and the facility was subsequently decommissioned.
In the first quarter of 2025, the Ince facility was sold, including certain liabilities assumed by the buyer, and we recognized a loss of $23 million on the sale. The loss is reflected in U.K. operations restructuring in our consolidated statement of operations for the year ended December 31, 2025.