Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	September 30, 2017		December 31, 2016
Refinery feedstocks	$	2,357	$	2,068
Refined petroleum products and blendstocks	3,304		3,153
Ethanol feedstocks and products	223		238
Materials and supplies	253		250
Inventories	$	6,137	$	5,709