PROPERTY, PLANT AND EQUIPMENT

6 Months Ended

Jun. 30, 2021

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, 2021		December 31, 2020
Land, land improvements and mineral rights	$	1,274	$	1,213
Buildings	865		703
Equipment	8,104		6,786
Other	205		151
Construction in progress	430		1,364
Total property, plant and equipment1	10,878		10,217
Allowance for depreciation and depletion	(1,896)		(1,474)
Property, plant and equipment, net	$	8,982	$	8,743
1 Includes right-of-use assets related to finance leases of $376 million and $361 million as of June 30, 2021 and December 31, 2020, respectively.

We recorded depreciation and depletion expense of $208 million and $423 million for the three and six months ended June 30, 2021, respectively, and $75 million and $111 million for the three and six months ended June 30, 2020, respectively.