Commitments And Contingencies (Details) (USD $) | Sep. 30, 2011 | Jun. 20, 2011 | Dec. 31, 2010 |
|---|---|---|---|
| Commitment for long-term lease contract | $ 600,000,000 | ||
| Issued court judgment | 196,000,000 | ||
| Recorded liability due to court judgment | 133,000,000 | ||
| Recorded receivable due to indemnification agreement | 133,000,000 | ||
Devon [Member] | |||
| Issued court judgment | $ 133,000,000 |
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of the carrying amount as of the balance sheet date of a recorded receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable to the extent that the insurance recovery is probable and does not exceed the amount of the loss previously recognized in the financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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