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Summarized Financial Data - Chevron Transport Corporation (Details) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Summarized Financial Data - Chevron Transport Corporation        
Sales and other operating revenues $ 66,671 [1] $ 51,051 [1] $ 125,083 [1] $ 97,792 [1]
Total costs and other deductions 55,741 44,238 104,960 84,767
Net loss attributable to CTC 7,732 5,409 13,943 9,961
Chevron Transport Corporation [Member]
       
Summarized Financial Data - Chevron Transport Corporation        
Sales and other operating revenues 196 250 422 494
Total costs and other deductions 227 264 489 527
Net loss attributable to CTC $ (32) $ (5) $ (67) $ (26)
[1] Includes excise, value-added and similar taxes.