Property, Plant and Equipment

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment by major asset class consists of the following:

(Dollars in millions)	September 30, 2021		December 31, 2020
Land, buildings and improvements	$	301	$	294
Plant and machinery	212		186
Equipment and other	270		276
Total property, plant and equipment, at cost	783		756
Less accumulated depreciation	(427)		(401)
Total property, plant and equipment, net	$	356	$	355

Depreciation expense related to property, plant and equipment was $13 million and $37 million for the three- and nine-month periods ended September 30, 2021, and $11 million and $33 million for the three- and nine-month periods ended September 30, 2020, respectively.