Property, Plant and Equipment

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Property, plant and equipment consist of the following as of the dates indicated:


	Depreciable Life	March 31, 2019		December 31, 2018
Land	—	$	12	$	11
Building and improvements	10 - 40 years	40		39
Pipeline and equipment ⁽¹⁾	10 - 30 years	1,196		1,162
Other	5 - 25 years	18		18
		1,266		1,230
Accumulated depreciation and amortization ⁽²⁾		(579)		(567)
		687		663
Construction in progress		53		79
Property, plant and equipment, net		$	740	$	742

⁽¹⁾As of both March 31, 2019 and December 31, 2018, includes cost of $366 million, related to assets under operating lease (as lessor). As of both March 31, 2019 and December 31, 2018, includes cost of $23 million related to right-of-use (“ROU”) assets under finance lease (as lessee).

⁽²⁾ As of March 31, 2019 and December 31, 2018, includes accumulated depreciation of $124 million and $121 million, respectively, related to assets under operating lease (as lessor). As of both March 31, 2019 and December 31, 2018, includes accumulated amortization of $5 million, related to ROU assets under finance lease (as lessee).

Depreciation and amortization expense on property, plant and equipment for the three months ended March 31, 2019 and March 31, 2018 of $12 million and $11 million, respectively, is included in costs and expenses in the accompanying unaudited consolidated statements of income. Depreciation and amortization expense on property, plant and equipment includes amounts pertaining to assets under operating (as lessor) and finance leases (as lessee).