Inventories

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

2.  Inventories

Inventories consisted of the following:

	March 31,		December 31,
	2017		2016
	(In millions)
Crude oil and natural gas liquids	$	137	$	77
Materials and supplies		240		246
Total Inventories	$	377	$	323