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Risk Concentration (Details)
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12 Months Ended |
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Dec. 31, 2013
item
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| Interest rate risk | |
| Maturity period of debt for exposure to changes in market interest rates, minimum | 1 year |
| Labor Agreements | |
| Number of employees | 15,100 |
| Number of employees engaged through contract labor providers | 1,000 |
| Number of persons working under operating agreements with Shelf Drilling | 800 |
| X | ||||||||||
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- Definition
Number of persons employed by the Entity No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Represents the minimum maturity period of debt for exposure to changes in market interest rates when the entity refinances maturing debt with new debt. No definition available.
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| X | ||||||||||
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- Definition
Number of contract employees of entity at end of period. No definition available.
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| X | ||||||||||
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- Definition
Represents the number of persons working under operating agreements. No definition available.
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