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Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 21,623.6	$ 20,713.4
Less: accumulated depreciation and depletion	8,944.9	8,238.1
Property, plant and equipment, net	12,678.7	12,475.3
Capitalized interest on major construction projects	26.8	30.1	$ 33.3
Depreciation	932.1	811.8	$ 846.4
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	345.6	341.6
Mining properties and rights
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	6,018.2	5,791.3
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	3,522.6	3,452.5
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	10,606.8	9,893.6
Construction in-progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 1,130.4	$ 1,234.4

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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