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v2.4.1.9

Guarantee Of Registered Securities (Condensed Consolidating Statements Of Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME | $ (3,448.5)us-gaap_ProfitLoss | $ 432.9 us-gaap_ProfitLoss | $ (1,169.6)us-gaap_ProfitLoss | $ 296.7 us-gaap_ProfitLoss | $ 364.0 us-gaap_ProfitLoss | $ 381.4 us-gaap_ProfitLoss | $ 362.6 us-gaap_ProfitLoss | $ 319.9 us-gaap_ProfitLoss | $ (3,888.5)us-gaap_ProfitLoss | $ 1,427.9 us-gaap_ProfitLoss | $ 1,176.7 us-gaap_ProfitLoss
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | (11.7)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax | (5.8)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax | 8.7 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | (0.9)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax | 2.0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Other |  |  |  |  |  |  |  |  | 6.3 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther | 1.9 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther | 2.8 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (6.3)us-gaap_OtherComprehensiveIncomeLossNetOfTax | (1.9)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 11.5 us-gaap_OtherComprehensiveIncomeLossNetOfTax
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (3,894.8)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 1,426.0 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 1,188.2 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | (14.1)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | (9.7)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | (7.0)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (3,908.9)us-gaap_ComprehensiveIncomeNetOfTax | 1,416.3 us-gaap_ComprehensiveIncomeNetOfTax | 1,181.2 us-gaap_ComprehensiveIncomeNetOfTax
Ensco Plc [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME |  |  |  |  |  |  |  |  | (3,902.6)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,418.2 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,169.7 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoPlcMember
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember
Other |  |  |  |  |  |  |  |  | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoPlcMember
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (3,902.6)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,418.2 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,169.7 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoPlcMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (3,902.6)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,418.2 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember | 1,169.7 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoPlcMember
ENSCO International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME |  |  |  |  |  |  |  |  | (3,657.4)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 259.8 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 256.2 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | (11.7)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | (5.8)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 6.3 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | (0.9)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 2.0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 0.2 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
Other |  |  |  |  |  |  |  |  | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | (12.6)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | (3.8)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 6.5 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (3,670.0)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 256.0 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 262.7 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (3,670.0)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 256.0 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember | 262.7 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_EnscoInternationalIncMember
Pride International Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME |  |  |  |  |  |  |  |  | (3,799.0)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 83.7 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 189.2 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_PrideInternationalIncMember
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember
Other |  |  |  |  |  |  |  |  | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_PrideInternationalIncMember
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (3,799.0)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 83.7 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 189.2 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_PrideInternationalIncMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (3,799.0)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 83.7 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember | 189.2 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_PrideInternationalIncMember
Other Non-Guarantor Subsidiaries Of Ensco [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME |  |  |  |  |  |  |  |  | (3,710.9)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,684.1 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,419.6 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 2.4 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | (0.2)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
Other |  |  |  |  |  |  |  |  | 6.3 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1.9 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 2.8 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 6.3 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1.9 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 5.0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (3,704.6)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,686.0 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,424.6 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | (14.1)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | (9.7)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | (7.0)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | (3,718.7)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,676.3 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember | 1,417.6 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_OtherNonGuarantorSubsidiariesMember
Consolidating Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |  |  |  |  |  |
NET INCOME |  |  |  |  |  |  |  |  | 11,181.4 us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | (2,017.9)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | (1,858.0)us-gaap_ProfitLoss / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
OTHER COMPREHENSIVE INCOME (LOSS), NET |  |  |  |  |  |  |  |  |  |  |
Net change in fair value of derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
Reclassification of gains and losses on derivative instruments from other comprehensive (income) loss into net income |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
Other |  |  |  |  |  |  |  |  | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 esv_AccumulatedOtherComprehensiveIncomeGainsAndLossesOnDerivativeInstrumentsOther / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
NET OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | 11,181.4 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | (2,017.9)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | (1,858.0)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSCO |  |  |  |  |  |  |  |  | $ 11,181.4 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | $ (2,017.9)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember | $ (1,858.0)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = esv_ConsolidatedAdjustmentsMember

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- Definition Accumulated Other Comprehensive Income, Gains And Losses On Derivative Instruments, Other + References No definition available. + Details
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Namespace Prefix: | esv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + Details
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