XML 111 R69.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Discontinued Operations (Schedule of Rig Sales) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 32 Months Ended | 3 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2014 | Sep. 30, 2014 | Mar. 31, 2014 | Jun. 30, 2014 | Mar. 31, 2013 | Oct. 31, 2012 | Jun. 30, 2012 | May 31, 2012 | Sep. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value | $ 291.8 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation | [1],[2] |  |  |  | $ 291.8 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation | [1],[2] | $ 291.8 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  | 19.3 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | [2],[3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations | 105.5 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations |  | 202.1 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations | 290.8 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations |  | 311.1 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floaters [Member] | ENSCO 5000 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value | 0.5 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO5000Member / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [1],[2] |  |  |  | 0.5 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO5000Member / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [1],[2] | 0.5 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO5000Member / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  | 0.8 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO5000Member / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  | 1.3 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO5000Member / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floaters [Member] | ENSCO 5003 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  | 89.4 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco5003RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  | (21.2)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco5003RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  | 68.2 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco5003RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_FloatersMember | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Jackups [Member] | ENSCO 93 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  | 52.9 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO93Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) | 1.2 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO93Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |  |  | (1.2)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO93Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations | 51.7 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO93Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |  |  | 51.7 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO93Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Jackups [Member] | ENSCO 69 And Wisconsin [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  | 8.6 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO69AndWisconsinMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  | 23.6 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO69AndWisconsinMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  | 32.2 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO69AndWisconsinMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |  |  |  |  |  |  |
Jackups [Member] | ENSCO 85 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  | 54.1 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO85Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.3 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO85Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  | 64.4 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_ENSCO85Member / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |  |  |  |  |
Jackups [Member] | Pride Pennsylvania Rig [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.7 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PridePennsylvaniaRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (0.2)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PridePennsylvaniaRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.5 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PridePennsylvaniaRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |  |  |
Jackups [Member] | Pride Hawaii [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.8 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PrideHawaiiRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.0 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PrideHawaiiRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18.8 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_PrideHawaiiRigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |  |  |
Jackups [Member] | ENSCO 61 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.6 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco61RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |  |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.1 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco61RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31.7 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco61RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |  |  |
Jackups [Member] | ENSCO 59 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21.9 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco59RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [1],[2] |  |
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.9 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco59RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember |  |  |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22.8 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_Ensco59RigMember / us-gaap_StatementBusinessSegmentsAxis = esv_JackupsMember | [2] |  |
Other [Member] | ENSCO I [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Book Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.3 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_EnscoIRigMember / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | [1],[2]
Pre-tax Gain/(Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7.8)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_EnscoIRigMember / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Net Cash Provided by (Used in) Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.5 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = esv_EnscoIRigMember / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | [2]
[1] | Includes the rig's net book value as well as inventory and other assets on the date of the sale.
[2] | The rigs' operating results were reclassified to discontinued operations in our consolidated statements of operations for each of the years in the three-year period ended December 31, 2014 and were previously included within the operating segment noted in the above table.
[3] | In September 2014, we sold jackup rigs ENSCO 83, ENSCO 89, ENSCO 93 and ENSCO 98, all of which are contracted to Pemex. As described below, the loss on sale and operating results of ENSCO 93 were included in (loss) income from discontinued operations, net in our consolidated statement of operations for the three-year period ended December 31, 2014.

X
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 + Details
Name: | us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
Name: | us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in cash associated with the entity's discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=esv_FloatersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=esv_JackupsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |