Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Schedule of inventories

Inventories consisted of the following (in millions):

	March 31, 2012		December 31, 2011
Refinery feedstocks	$	2,730	$	2,474
Refined products and blendstocks	2,862		2,633
Ethanol feedstocks and products	236		195
Convenience store merchandise	98		103
Materials and supplies	219		218
Inventories	$	6,145	$	5,623