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Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT

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PROPERTY, PLANT AND EQUIPMENT
 6 Months Ended
Jun. 30, 2022
Property, Plant and Equipment [Abstract] Ìý
PROPERTY, PLANT AND EQUIPMENT
NOTE 6 - PROPERTY, PLANT AND EQUIPMENT
The following table indicates the carrying value of each of the major classes of our depreciable assets:
(In Millions)
June 30,
2022		 December 31,
2021
Land, land improvements and mineral rights $ 1,400Ìý $ 1,291Ìý
Buildings 906Ìý 889Ìý
Equipment 8,765Ìý 8,709Ìý
Other 230Ìý 229Ìý
Construction in progress 617Ìý 408Ìý
Total property, plant and equipment1
11,918Ìý 11,526Ìý
Allowance for depreciation and depletion (2,871) (2,340)
Property, plant and equipment, net $ 9,047Ìý $ 9,186Ìý
1 Includes right-of-use assets related to finance leases of $389 million and $411 million as of JuneÌý30, 2022 and DecemberÌý31, 2021, respectively.
We recorded depreciation and depletion expense of $249 million and $547 million for the three and six months ended JuneÌý30, 2022, respectively, and $208 million and $423 million for the three and six months ended JuneÌý30, 2021, respectively. Depreciation and depletion expense for the three and six months ended JuneÌý30, 2022 includes $23Ìýmillion of accelerated depreciation related to the decision to indefinitely idle the coke facility at Middletown Works. Depreciation and depletion expense for the six months ended JuneÌý30, 2022 also includes $68Ìýmillion of accelerated depreciation related to the indefinite idle of the Indiana Harbor #4 blast furnace.