PROPERTY, PLANT & EQUIPMENT (Property, Plant and Equipment) (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total, gross		$ 11,306.4	$ 10,444.4
Less allowances for depreciation, depletion and amortization		5,255.1	4,897.6
Property, plant & equipment, net		6,051.3	5,546.8
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total, gross	[1]	3,991.1	3,631.7
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total, gross		223.3	182.9
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total, gross		6,454.2	6,109.2
Finance Leases [Member]
Property, Plant and Equipment [Line Items]
Total, gross		93.2	36.3
Deferred Asset Retirement Costs [Member]
Property, Plant and Equipment [Line Items]
Total, gross		165.9	182.5
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total, gross		378.7	301.8
Depletable Land [Member]
Property, Plant and Equipment [Line Items]
Total, gross		$ 2,445.6	$ 2,238.4

[1] Includes depletable land as follows: December 31, 2022 — $2,445.6 million and December 31, 2021 — $2,238.4 million.