Inventories (Tables)

12 Months Ended

Dec. 31, 2011

Inventories [Abstract]

Schedule of Inventory [Table Text Block]

Components of inventories were as follows (in millions):

	2011		2010
Domestic crude oil and refined products	$	1,273	$	954
Foreign subsidiary crude oil	346		177
Materials and supplies	87		82
Oxygenates and by-products	43		30
Merchandise	14		14
Total Inventories	$	1,763	$	1,257