v3.25.4
Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, at Cost
Property, plant and equipment, at cost, consist of the following at December 31, 2025 and 2024 (in thousands):
Useful
Lives
(Years)		December 31,
20252024
Land—$265,587 $295,176 
Land improvements
10 – 30
351,394 342,213 
Buildings and improvements
10 – 50
936,635 933,188 
Machinery and equipment(a)
2 – 45
7,812,518 8,187,422 
Mineral rights and reserves
7 – 60
1,759,775 1,755,770 
Construction in progress—642,931 1,009,599 
Total$11,768,840 $12,523,368 
(a)Consists primarily of (1) short-lived production equipment components, office and building equipment and other equipment with estimated lives ranging 2 – 7 years, (2) production process equipment (intermediate components) with estimated lives ranging 8 – 19 years, (3) production process equipment (major unit components) with estimated lives ranging 20 – 29 years, and (4) production process equipment (infrastructure and other) with estimated lives ranging 30 – 45 years.