Inventories (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	September 30,		December 31,
	2015		2014
	(In millions)
Crude oil and natural gas liquids	$	217	$	246
Materials and supplies		318		281
Total inventories	$	535	$	527