PROPERTY, PLANT & EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Major Classes of Depreciable Assets

The major classes of depreciable assets are as follows:

	December 31,
In millions	2021		2020
Machinery and equipment	$	1,433	$	1,375
Buildings and improvements	785		801
Land and improvements	96		98
Construction in progress	89		99
Property, plant and equipment	2,403		2,373
Less: accumulated depreciation	(906)		(772)
Total	$	1,497	$	1,601

 The estimated useful lives of property, plant and equipment are as follows:

	Years
Land improvements	10 to 20
Building and improvements	20 to 40
Machinery and equipment	3 to 15