PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2018

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, 2018 and 2017 consist of:

(in millions)	2018			2017
Land	$	81		$	84
Buildings	693			687
Machinery and equipment	1,527			1,436
Other equipment and leasehold improvements	366			358
Equipment on operating lease	46			42
Construction in progress	162			226
	2,875			2,833
Less accumulated depreciation	(1,522		)	(1,430		)
	$	1,353		$	1,403

Depreciation expense was $175 million, $168 million and $193 million for 2018, 2017 and 2016, respectively.