Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	June 30,		December 31,
	2015		2014
	(In millions)
Crude oil and natural gas liquids	$	289	$	246
Materials and supplies		280		281
Total inventories	$	569	$	527