Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

5. Property, Plant and Equipment, net

Property, plant and equipment consist of (in millions):

	Estimated	December 31,
	Useful Lives	2017			2016
Information technology assets	1-7 Years	$	48		$	47
Operating equipment	2-15 Years		93			93
Buildings and land⁽¹⁾	5-35 Years		97			95
Construction in progress			—			1
Total property, plant and equipment			238			236
Less: accumulated depreciation			(119	)		(93	)
Property, plant and equipment, net		$	119		$	143

⁽¹⁾

Land has an indefinite life.

Depreciation expense was $28 million, $32 million and $25 million for the years ended December 31, 2017, 2016 and 2015, respectively.

As of September 30, 2017, the Company had classified assets from the U.S. segment related to a facility relocation as held for sale. The net carrying value of these assets was approximately $2 million. The Company completed the sale of these assets in the fourth quarter of 2017 and recognized a gain of $10 million in warehousing, selling and administrative in the accompanying consolidated statement of operations.