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PROPERTY: (Tables)

12 Months Ended

Dec. 31, 2022

PROPERTY:

Schedule of major classes of property, plant and equipment

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​	​	​	​	​	​	​
​	​	At December 31,
(in millions)		2022			2021
Buildings and equipment	​	$	16,718.3	​	$	15,993.8
Construction in progress	​		1,747.0	​		1,668.0
Mine development	​		273.2	​		273.2
Mineral assets	​	​	83.2	​	​	83.2
Land, other than mineral	​		275.4	​		258.6
Total property	​		19,097.1	​		18,276.8
Accumulated depreciation, amortization and depletion	​		(9,500.5)	​		(8,812.4)
Total property and mine development, net	​	$	9,596.6	​	$	9,464.4

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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