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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property Plant And Equipment PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consist of the following:
 December 31,
(in millions)20222021
Land$345.6 $341.6 
Mineral properties and rights6,018.2 5,791.3 
Buildings and leasehold improvements3,522.6 3,452.5 
Machinery and equipment10,606.8 9,893.6 
Construction in-progress1,130.4 1,234.4 
21,623.6 20,713.4 
Less: accumulated depreciation and depletion8,944.9 8,238.1 
$12,678.7 $12,475.3 
Depreciation and depletion expense was $932.1 million, $811.8 million and $846.4 million for 2022, 2021 and 2020, respectively. Interest capitalized on major construction projects was $26.8 million, $30.1 million and $33.3 million for 2022, 2021 and 2020, respectively.