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Summarized Financial Data - Chevron Transport Corporation (Tables)
6 Months Ended
Jun. 30, 2011
Summarized Financial Data - Chevron Transport Corporation [Abstract]  
Summarized Financial Data - Chevron Transport Corporation
                                 
    Three Months Ended
    Six Months Ended
 
    June 30     June 30  
    2011     2010     2011     2010  
    (Millions of dollars)  
 
Sales and other operating revenues
  $ 196     $ 250     $ 422     $ 494  
Costs and other deductions
    227       264       489       527  
Net loss attributable to CTC
    (32 )     (5 )     (67 )     (26 )
Summarized Financial Data and its Subsidiary
                 
    At June 30
  At December 31
    2011   2010
    (Millions of dollars)
 
Current assets
    $ 64       $209  
Other assets
    252       201  
Current liabilities
    78       101  
Other liabilities
    70       75  
                 
Total CTC net equity
    $168       $234