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Commitments And Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2012
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Dec. 31, 2011
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Jun. 11, 2011
Devon [Member]
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Jun. 11, 2011
Trevor Rees-Jones [Member]
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| Issued court judgment | $ 133 | $ 196 | ||
| Recorded liability due to court judgment | 133 | 133 | ||
| Recorded receivable due to indemnification agreement | $ 133 | $ 133 |
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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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