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]  
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 $ 1,400  $ 1,291 
Buildings 906  889 
Equipment 8,765  8,709 
Other 230  229 
Construction in progress 617  408 
Total property, plant and equipment1
11,918  11,526 
Allowance for depreciation and depletion (2,871) (2,340)
Property, plant and equipment, net $ 9,047  $ 9,186 
1 Includes right-of-use assets related to finance leases of $389 million and $411 million as of June 30, 2022 and December 31, 2021, respectively.
We recorded depreciation and depletion expense of $249 million and $547 million for the three and six months ended June 30, 2022, respectively, and $208 million and $423 million for the three and six months ended June 30, 2021, respectively. Depreciation and depletion expense for the three and six months ended June 30, 2022 includes $23 million 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 June 30, 2022 also includes $68 million of accelerated depreciation related to the indefinite idle of the Indiana Harbor #4 blast furnace.