XML 75 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consisted of the following (in millions):
 
December 31,
 
2012
 
2011
Refinery feedstocks
$
2,458

 
$
2,474

Refined products and blendstocks
2,995

 
2,633

Ethanol feedstocks and products
191

 
195

Convenience store merchandise
112

 
103

Materials and supplies
217

 
218

Inventories
$
5,973

 
$
5,623