v2.4.0.8

Supplemental Disclosures Required by Swiss Law (Details) (USD $) In Billions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Supplemental Disclosures Required by Swiss Law |  |  |
Personnel expenses recognized | $ 2.6 | $ 2.5 | $ 2.6
Aggregate value of drilling rig fleet | $ 27.2 | $ 29.3 |

X
- Definition Aggregate insured value of drilling rig fleet. + References No definition available. + Details
Name: | rig_AggregateValueOfDrillingRigFleet
Namespace Prefix: | rig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of personnel expenses recognized during the period. + References No definition available. + Details
Name: | rig_PersonnelExpensesRecognizedDuringPeriod
Namespace Prefix: | rig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | rig_SupplementalDisclosuresRequiredUnderSwissLawAbstract
Namespace Prefix: | rig_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration