Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	September 30,		December 31,
	2019		2018
	(In millions)
Crude oil and natural gas liquids	$	72	$	74
Materials and supplies		217		171
Total Inventories	$	289	$	245