v2.4.0.6

Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Jun. 20, 2011
Issued court judgment |  |  |  | $ 196
Recorded liability due to court judgment | 133 |  |  |
Recorded receivable due to indemnification agreement | 133 |  |  |
Obligation related to the purchase of condensate, year of expiration | 2021 |  |  |
Total rental expense, including certain office space and equipment under operating lease agreements, net of sub-lease income | 42 | 57 | 56 |
Devon [Member] |  |  |  |
Issued court judgment |  |  |  | $ 133

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