Property, Plant and Equipment (Notes)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment Disclosure [Text Block]

10 – Property, Plant and Equipment, Net

Property, plant and equipment, net was composed of the following:

	December 31,
(Dollars in millions)	2021		2020
Land, Buildings and Leasehold Improvements	$	484	$	515
Rental and Service Equipment	902		869
Machinery and Other	233		219
	1,619		1,603
Less: Accumulated Depreciation	623		367
Property, Plant and Equipment, Net	$	996	$	1,236

Depreciation expense was $284 million, $340 million and $25 million in the 2021, 2020 and 2019 Successor Periods, respectively, and $386 million in the 2019 Predecessor Periods. See “Note 7 – Long-Lived Assets Impairment” for additional information on impairments.

Property, Plant and Equipment [Table Text Block]

The estimated useful lives of our major classes of PP&E are as follows:

Major Classes of Property, Plant and Equipment	PP&E Estimated Useful Lives
Buildings and leasehold improvements	10 – 40 years or lease term
Rental and service equipment	3 – 10 years
Machinery and other	2 – 12 years