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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Details)

v3.23.1
PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment $ 12,500 Ìý $ 12,388
Allowance for depreciation and depletion (3,550) Ìý (3,318)
Property, plant and equipment, net 8,950 Ìý 9,070
Finance lease, right-of-use asset 424 Ìý 408
Depreciation and depletion expense 239 $ 298 Ìý
Indiana Harbor Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Accelerated depreciation Ìý $ 68 Ìý
Land, land improvements and mineral rights Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment 1,390 Ìý 1,388
Buildings Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment 927 Ìý 921
Equipment Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment 9,359 Ìý 9,289
Other Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment 244 Ìý 238
Construction in progress Ìý Ìý Ìý
Property, Plant and Equipment [Line Items] Ìý Ìý Ìý
Total property, plant and equipment $ 580 Ìý $ 552