XML 33 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Details) (USD $)
 12 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2010
Paulsboro Refinery [Member]
Schedule of Inventories        
Refinery feedstocks $ 2,458,000,000 $ 2,474,000,000    
Refined products and blendstocks 2,995,000,000 2,633,000,000    
Ethanol feedstocks and products 191,000,000 195,000,000    
Convenience store merchandise 112,000,000 103,000,000    
Materials and supplies 217,000,000 218,000,000    
Inventories 5,973,000,000 5,623,000,000    
Inventories (Textual)        
Effect of LIFO inventory liquidation on income, increase (decrease) 134,000,000 247,000,000 16,000,000 (50,000,000)
Effect of LIFO inventory liquidation on income, increase (decrease), net of tax       (31,000,000)
Excess of market value over carrying amount of LIFO inventories $ 6,700,000,000 $ 6,800,000,000