v2.4.0.8

Fair Value Measurement - FV of Fin. Instruments (Details 2) (USD $) In Millions, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Financial Assets [Abstract] |  |
Deferred compensation investments | $ 299 | $ 305
Carrying Amount [Member] |  |
Financial Assets [Abstract] |  |
Deferred compensation investments | 299 | 305
Commodity derivatives, assets | 159 | 221
Total loans and advances - related parties | 1,613 | 1,697
Financial Liabilities [Abstract] |  |
Total debt, excluding capital leases | 20,799 | 21,709
Total joint venture acquisition obligation | 3,201 | 3,582
Commodity derivatives, liability | 161 | 199
Fair Value [Member] |  |
Financial Assets [Abstract] |  |
Deferred compensation investments | 299 | 305
Commodity derivatives, assets | 159 | 221
Total loans and advances - related parties | 1,760 | 1,916
Financial Liabilities [Abstract] |  |
Total debt, excluding capital leases | 23,778 | 26,349
Total joint venture acquisition obligation | 3,501 | 3,968
Commodity derivatives, liability | $ 161 | $ 199

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