PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

The major components of property, plant and equipment as of December 31, 2021 and 2020 consist of:

(in millions)	2021		2020
Land	$	74	$	79
Buildings and improvements	675		686
Machinery and equipment	1,678		1,722
Other equipment and leasehold improvements	342		360
Equipment on operating lease	73		65
Construction in progress	576		436
	3,418		3,348
Accumulated depreciation	(1,820)		(1,781)
	$	1,598	$	1,567

Depreciation expense was $177 million, $180 million and $178 million for 2021, 2020 and 2019, respectively.