v2.4.0.6
Equity Company Information (Schedule Of Corporation's Percentage Ownership Interest) (Details)
Dec. 31, 2011
Upstream [Member] | Aera Energy LLC [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 48.00%
Upstream [Member] | BEB Erdgas und Erdoel GmbH [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Upstream [Member] | Cameroon Oil Transportation Company S.A. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 41.00%
Upstream [Member] | Castle Peak Power Company Limited [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 60.00%
Upstream [Member] | Golden Pass LNG Terminal LLC [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 18.00%
Upstream [Member] | Nederlandse Aardolie Maatschappij B.V. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Upstream [Member] | Qatar Liquefied Gas Company Limited [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 10.00%
Upstream [Member] | Qatar Liquefied Gas Company Limited 2 [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 24.00%
Upstream [Member] | Ras Laffan Liquefied Natural Gas Company Limited [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 25.00%
Upstream [Member] | Ras Laffan Liquefied Natural Gas Company Limited II [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 31.00%
Upstream [Member] | Ras Laffan Liquefied Natural Gas Company Limited (3) [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 30.00%
Upstream [Member] | South Hook LNG Terminal Company Limited [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 24.00%
Upstream [Member] | Tengizchevroil, LLP [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 25.00%
Upstream [Member] | Terminale GNL Adriatico S.R.L. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 71.00%
Downstream [Member] | Chalmette Refining, LLC [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Downstream [Member] | Fujian Refining And Petrochemical Co. LTD. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 25.00%
Downstream [Member] | Saudi Aramco Mobil Refinery Company LTD. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Chemical [Member] | Al-Jubail Petrochemical Company [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Chemical [Member] | Infineum Holdings B.V. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Chemical [Member] | Saudi Yanbu Petrochemical Co. [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%
Chemical [Member] | Toray Tonen Specialty Separator Godo Kaisha [Member]
 
Subsidiary or Equity Method Investee [Line Items]  
Percentage Ownership Interest 50.00%