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Long-Term Assets
 9 Months Ended
Sep. 30, 2026
Property, Plant, and Equipment [Abstract]  
Long-Term Assets
(4) Long-Term Assets
Property, Plant, and Equipment

Property, plant, and equipment, net consisted of the following:
(in millions)September 30, 2026December 31, 2025
Machinery and equipment $4,519 $4,480 
Buildings and improvements152 153 
ROU finance leases126 123 
Land and improvements78 75 
Furniture and fixtures33 30 
Construction in progress298 215 
Other15 15 
5,221 5,091 
Less: Accumulated depreciation and amortization(3,210)(3,041)
Total property, plant, and equipment, net$2,011 $2,050 
For the three and nine months ended September 30, 2026, depreciation and amortization expense related to property, plant, and equipment was $60 million and $177 million, respectively, compared to $89 million and $203 million for the three and nine months ended September 30, 2025, respectively. For the three and nine months ended September 30, 2026, capitalized interest was $3 million and $7 million, respectively, compared to $2 million and $7 million for the three and nine months ended September 30, 2025, respectively.
Other Long-Term Assets
As of September 30, 2026 and December 31, 2025, Other long-term assets included turnaround assets, net of accumulated amortization of $190 million and $242 million, respectively. For the three and nine months ended September 30, 2026, amortization expense related to turnaround assets was $17 million and $57 million, respectively, compared to $21 million and $50 million for the three and nine months ended September 30, 2025.