Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	March 31, 2021		December 31, 2020
Refinery feedstocks	$	1,947	$	1,979
Refined petroleum products and blendstocks	3,284		3,425
Renewable diesel feedstocks and products	64		50
Ethanol feedstocks and products	297		297
Materials and supplies	289		287
Inventories	$	5,881	$	6,038