Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Energy Related Inventory [Abstract]

Inventory Disclosure Table

The following summarizes the major classes of inventories included in other current assets at December 31:

millions	2014		2013
Oil	$	133	$	88
Natural gas	27		43
NGLs	83		79
Total inventories	$	243	$	210