Segment Information (Tables)

9 Months Ended

Sep. 30, 2011

Segment Information [Abstract]

Segment information for our three reportable segments

The following table reflects segment activity related to continuing operations (in millions):

	Refining		Retail		Ethanol		Corporate			Total
Three months ended September 30, 2011:
Operating revenues from external   customers	$	29,177	$	3,053	$	1,483	$	—		$	33,713
Intersegment revenues	2,258		—		25		—			2,283
Operating income (loss)	1,947		97		107		(172		)	1,979
Three months ended September 30, 2010:
Operating revenues from external   customers	17,811		2,360		844		—			21,015
Intersegment revenues	1,576		—		73		—			1,649
Operating income (loss)	590		105		47		(152		)	590
Nine months ended September 30, 2011:
Operating revenues from external   customers	78,660		8,865		3,789		—			91,314
Intersegment revenues	6,566		—		125		—			6,691
Operating income (loss)	3,476		298		215		(476		)	3,513
Nine months ended September 30, 2010:
Operating revenues from external   customers	51,104		6,893		2,072		—			60,069
Intersegment revenues	4,675		—		184		—			4,859
Operating income (loss)	1,479		285		139		(405		)	1,498

Total assets by reportable segment

Total assets by reportable segment were as follows (in millions):

	September 30, 2011		December 31, 2010
Refining	$	35,541	$	30,363
Retail	1,933		1,925
Ethanol	879		953
Corporate	3,330		4,380
Total consolidated assets	$	41,683	$	37,621