Property, Plant, and Equipment

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 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)	March 31, 2022		December 31, 2021
Land, buildings and improvements	$	317	$	312
Plant and machinery	192		191
Equipment and other	301		298
Total property, plant and equipment, at cost	810		801
Less accumulated depreciation	(443)		(437)
Total property, plant and equipment, net	$	367	$	364

Depreciation expense related to property, plant and equipment was $13 million and $12 million for the periods ended March 31, 2022 and March 31, 2021, respectively.

Property, Plant and Equipment

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

	December 31,
(Dollars in millions)	2021		2020
Land, buildings and improvements	$	312	$	294
Plant and machinery	191		186
Equipment and other	298		276
Total property, plant and equipment, at cost	801		756
Less accumulated depreciation	(437)		(401)
Total property, plant and equipment, net	$	364	$	355

Depreciation expense related to property, plant and equipment was $49 million, $44 million and $42 million for the years ended December 31, 2021, 2020 and 2019, respectively.

Land, buildings and improvements include assets under finance leases in the amount of $104 million and $108 million as of December 31, 2021 and 2020, respectively. See Note 9: Leases for additional information.

As of December 31, 2021, the Company accounted for our manufacturing facility in Menomonee Falls, WI as a build-to-suit lease with a failed sale-leaseback and is included in the Land, building, and improvements in the above table. See Note 11: Debt for additional information.