Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	March 31, 2015		December 31, 2014
Refinery feedstocks	$	2,646	$	2,269
Refined products and blendstocks	3,554		3,926
Ethanol feedstocks and products	231		195
Materials and supplies	235		233
Inventories	$	6,666	$	6,623