v2.4.0.6

Investments, Loans and Long-Term Receivables - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |  | 12 Months Ended |
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2007 | Dec. 31, 2008 | Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] | Dec. 31, 2010 Fair Value, Measurements, Recurring [Member] | Dec. 31, 2011 Origin Energy [Member] | Dec. 31, 2011 Qatargas 3 [Member] | Dec. 31, 2011 Qatar Petroleum [Member] | Dec. 31, 2011 Mitsui [Member] | Dec. 31, 2011 Freeport LNG Development, L.P [Member] | Dec. 31, 2011 WRB Refining LP [Member] | Dec. 31, 2011 Non-affiliated company [Member] | Dec. 31, 2011 China Petrochemical Corporation (Sinopec) [Member] | Apr. 30, 2011 China Petrochemical Corporation (Sinopec) [Member] TonnesPerYear | Dec. 31, 2011 Australia Pacific LNG [Member] | Dec. 31, 2010 Australia Pacific LNG [Member] | Dec. 31, 2009 Australia Pacific LNG [Member] | Jan. 31, 2012 Australia Pacific LNG [Member] | Apr. 30, 2011 Australia Pacific LNG [Member] | Jan. 31, 2012 Australia Pacific LNG [Member] China Petrochemical Corporation (Sinopec) [Member] TonnesPerYear | Nov. 30, 2011 Australia Pacific LNG [Member] Japan-based Kansai Electric [Member] TonnesPerYear | Dec. 31, 2011 Australia Pacific Aplngs [Member] | Dec. 31, 2011 FCCL [Member] | Dec. 31, 2011 WRB Refining LP [Member] | Dec. 31, 2010 WRB Refining LP [Member] | Dec. 31, 2009 WRB Refining LP [Member] | Dec. 31, 2011 DCP Midstream LLC [Member] | Dec. 31, 2011 DCP Midstream LLC [Member] Origin Energy [Member] | Dec. 31, 2011 Chevron Phillips Chemical Company LLC [Member] | Dec. 31, 2011 Chevron Phillips Chemical Company LLC [Member] Origin Energy [Member] | Sep. 29, 2010 LUKOIL Investment [Member] | Jul. 28, 2010 LUKOIL Investment [Member] | Dec. 31, 2011 LUKOIL Investment [Member] | Dec. 31, 2010 LUKOIL Investment [Member] | Dec. 31, 2009 LUKOIL Investment [Member] | Sep. 26, 2010 LUKOIL Investment [Member] | Dec. 31, 2010 LUKOIL Investment [Member] Available-for-sale Securities [Member] | Dec. 31, 2011 Merey Sweeny, L.P. [Member] | Dec. 31, 2011 Qatar Liquefied Gas Company Limited 3 [Member] | Dec. 31, 2011 Qatar Liquefied Gas Company Limited 3 [Member] Origin Energy [Member]
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in equity investment | 50.00% |  |  |  |  |  |  |  |  | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42.50% | 50.00% |  |  |  | 50.00% |  | 50.00% |  |  |  |  | 2.25% | 20.00% |  |  | 50.00% | 30.00% |
Equity Interest of Others |  |  |  |  |  |  |  |  | 42.50% |  | 68.50% | 1.50% |  |  |  | 42.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68.50% |  | 1.50% |  |  |  |  |  |  |  |  |  | 15.00%
Undistributed earnings of affiliates | $ 2,814,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends received from affiliates | 3,670,000,000 | 2,282,000,000 |  | 1,727,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Supply of LNG, in metric tons per annum to Sinopec |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of years for LNG supply |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on disposal of equity method investment |  | 1,149,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 279,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 360,000,000 | 1,749,000,000 |  |  | 437,000,000 |  |  |
Reduction in book value of investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 795,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in currency translation adjustment associated with investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 516,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant supply commitment minimum quantity committed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,300,000 | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant supply commitment minimum period committed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increased percentage of ownership in equity method investments after signing agreement |  |  |  |  |  |  |  |  | 37.50% |  |  |  |  |  |  | 25.00% |  |  |  |  |  |  |  |  | 37.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected loss after-tax from dilution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 135,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity investment | 30,985,000,000 | 30,055,000,000 |  |  |  |  |  |  |  | 931,000,000 |  |  |  |  |  |  |  | 9,467,000,000 |  |  |  |  |  |  |  | 9,044,000,000 | 3,722,000,000 |  |  | 927,000,000 |  | 2,998,000,000 |  |  |  |  |  |  |  |  |  |  |
Equity method investment including cumulative translation effects | 5,223,000,000 | 6,140,000,000 |  | 4,736,000,000 |  | (240,000,000) |  |  |  |  |  |  |  |  |  |  |  | 2,716,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated value of net assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,380,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Difference between estimated value and book value of equity method investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,087,000,000 |  |  |  |  |  |  |  |  | 3,918,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortizable portion of the basis difference in properties, plants and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,192,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of amortization of difference between carrying amount and underlying equity on equity earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,000,000 | 5,000,000 | 4,000,000 |  |  |  |  |  |  | 185,000,000 | 243,000,000 | 209,000,000 |  |  |  |  |  |  |  | 155,000,000 | 157,000,000 |  |  |  |  |
Initial acquisition obligation to joint venture |  |  |  |  | 7,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of amortization of basic difference in years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26 years |  |  |  |  |  |  |  |  |  | 22 years |  |  |  |  |  |
Partner initial acquisition obligation to joint venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan/project financing to affiliated company |  |  |  |  |  |  |  |  |  | 1,159,000,000 |  |  | 612,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest in terminal and pipeline use agreement |  |  |  |  |  |  |  |  |  | 12.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Multiple supply and purchase agreements term maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99 years |  |  |  |  |  |  |  |  |  |  |
Multiple supply and purchase agreements term minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |
Repayment of fixed rate bonds on accelerated basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |
Cash proceeds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,380,000,000 | 3,442,000,000 | 1,243,000,000 | 8,345,000,000 |  |  | 1,793,000,000 |  |  |
Number of shares held under equity method investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 163.4 |  |  |  |  |  |  |  |
Number of shares of equity method investment sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42.5 | 64.6 |  | 151.0 |  |  |  |  |  |
Price per share of the share subsidiary would purchase under stock purchase and option agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 56.00 | $ 53.25 |  |  |  |  |  |  |  |
Period of option to purchase remaining interest in company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |
Carrying value of share investment in LUKOIL |  | 1,083,000,000 | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,083,000,000 |  |  |  |  |  |
Closing price per share on London Stock Exchange |  | $ 56.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 56.50 |  |  |  |  |  |
Gross unrealized gains on investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 247,000,000 |  |  |  |  |  |
Loan facilities of joint venture |  |  |  |  |  |  |  |  |  | 4,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Export credit agency commitment to joint venture |  |  |  |  |  |  |  |  |  | 1,300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial banks commitment to joint venture |  |  |  |  |  |  |  |  |  | 1,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum exposure to Qatargas 3 |  |  |  |  |  |  |  |  |  | 1,200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments received on long-term loans |  |  |  |  |  |  |  |  |  |  |  |  |  | 550,000,000 | 365,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantees of total refinancing |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 191,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of investments re-measured on a recurring basis, valued at Level 1 of the fair value hierarchy |  |  |  |  |  |  | $ 336,000,000 | $ 325,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional equity method ownership interest acquired in Merey Sweeny Limited Partnership |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |
[1] | Certain amounts have been restated to reflect a prior period adjustment. See Note 21-Accumulated Other Comprehensive Income, in the Notes to Consolidated Financial Statements.

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