Inventories (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	December 31,
	2019		2018
Refinery feedstocks	$	2,399	$	2,265
Refined petroleum products and blendstocks	4,034		3,653
Ethanol feedstocks and products	260		298
Renewable diesel feedstocks and products	46		52
Materials and supplies	274		264
Inventories	$	7,013	$	6,532