Property, Plant and Equipment-Net (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment, Net [Abstract]

Components of property, plant and equipment-net

Property, plant and equipment—net consists of the following:


	September 30, 2021		December 31, 2020
	(in millions)
Land	$	68	$	68
Machinery and equipment(1)	12,696		12,539
Buildings and improvements(1)	908		895
Construction in progress(1)	195		275
Property, plant and equipment(2)	13,867		13,777
Less: Accumulated depreciation and amortization	6,657		6,145
Property, plant and equipment—net	$	7,210	$	7,632

_______________________________________________________________________________

(1)As of September 30, 2021, machinery and equipment, buildings and improvements, and construction in progress include impairment charges recorded in the three months ended September 30, 2021 of $169 million, $5 million and $8 million, respectively.

(2)As of September 30, 2021 and December 31, 2020, we had property, plant and equipment that was accrued but unpaid of approximately $78 million and $43 million, respectively. As of September 30, 2020 and December 31, 2019, we had property, plant and equipment that was accrued but unpaid of approximately $73 million and $42 million, respectively.

Summary of plant turnaround activity

The following is a summary of capitalized plant turnaround costs:


	Nine months ended September 30,
	2021		2020
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	226	$	246
Additions	215		68
Depreciation	(84)		(77)
Effect of exchange rate changes	—		(2)
Ending balance	$	357	$	235