Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	December 31,
	2014		2013
Refinery feedstocks	$	2,269	$	2,135
Refined products and blendstocks	3,926		3,231
Ethanol feedstocks and products	195		166
Materials and supplies	233		226
Inventories	$	6,623	$	5,758