Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	March 31, 2017		December 31, 2016
Refinery feedstocks	$	2,318	$	2,068
Refined petroleum products and blendstocks	3,189		3,153
Ethanol feedstocks and products	268		238
Materials and supplies	250		250
Inventories	$	6,025	$	5,709