XML 62 R49.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 430,900,000 | $ 460,200,000 | $ 1,306,400,000 | $ 1,388,800,000 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 327,100,000 | 285,800,000 | 996,600,000 | 855,200,000 |
Depreciation expense | 120,600,000 | 108,200,000 | 356,500,000 | 325,300,000 |
General and administrative | 25,100,000 | 30,400,000 | 79,100,000 | 86,900,000 |
OPERATING INCOME (LOSS) | (41,900,000) | 35,800,000 | (125,800,000) | 121,400,000 |
Property and equipment, net | 12,731,600,000 | 11,096,400,000 | 12,731,600,000 | 11,096,400,000 | $ 12,873,700,000
Floaters |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 241,800,000 | 291,900,000 | 785,700,000 | 840,700,000 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 175,600,000 | 139,100,000 | 564,400,000 | 431,100,000 |
Depreciation expense | 77,800,000 | 72,700,000 | 233,900,000 | 217,500,000 |
General and administrative | 0 | 0 | 0 | 0 |
OPERATING INCOME (LOSS) | (11,600,000) | 80,100,000 | (12,600,000) | 192,100,000 |
Property and equipment, net | 9,501,700,000 | 8,545,500,000 | 9,501,700,000 | 8,545,500,000 |
Jackups |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 173,300,000 | 153,100,000 | 475,400,000 | 503,800,000 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 136,400,000 | 132,900,000 | 390,100,000 | 383,800,000 |
Depreciation expense | 39,300,000 | 31,600,000 | 112,300,000 | 95,300,000 |
General and administrative | 0 | 0 | 0 | 0 |
OPERATING INCOME (LOSS) | (2,400,000) | (11,400,000) | (27,000,000) | 24,700,000 |
Property and equipment, net | 3,190,200,000 | 2,502,400,000 | 3,190,200,000 | 2,502,400,000 |
Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 15,800,000 | 15,200,000 | 45,300,000 | 44,300,000 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 15,100,000 | 13,800,000 | 42,100,000 | 40,300,000 |
Depreciation expense | 0 | 0 | 0 | 0 |
General and administrative | 0 | 0 | 0 | 0 |
OPERATING INCOME (LOSS) | 700,000 | 1,400,000 | 3,200,000 | 4,000,000 |
Property and equipment, net | 0 | 0 | 0 | 0 |
Operating Segments Total |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 430,900,000 | 460,200,000 | 1,306,400,000 | 1,388,800,000 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 327,100,000 | 285,800,000 | 996,600,000 | 855,200,000 |
Depreciation expense | 117,100,000 | 104,300,000 | 346,200,000 | 312,800,000 |
General and administrative | 0 | 0 | 0 | 0 |
OPERATING INCOME (LOSS) | (13,300,000) | 70,100,000 | (36,400,000) | 220,800,000 |
Property and equipment, net | 12,691,900,000 | 11,047,900,000 | 12,691,900,000 | 11,047,900,000 |
Reconciling Items |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Operating Expenses [Abstract] |  |  |  |  |
Contract drilling (exclusive of depreciation) | 0 | 0 | 0 | 0 |
Depreciation expense | 3,500,000 | 3,900,000 | 10,300,000 | 12,500,000 |
General and administrative | 25,100,000 | 30,400,000 | 79,100,000 | 86,900,000 |
OPERATING INCOME (LOSS) | (28,600,000) | (34,300,000) | (89,400,000) | (99,400,000) |
Property and equipment, net | $ 39,700,000 | $ 48,500,000 | $ 39,700,000 | $ 48,500,000 |

X
- Definition Amount of expense for allocation of cost of tangible asset over its useful life directly used in production of good and rendering of service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSoldDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Costs of generating revenue from oil and gas-related services including well services (such as drilling, rigs and analytic evaluations), transportation, and other supporting contractor services, during the reporting period. + References No definition available. + Details
Name: | us-gaap_CostOfServicesOilAndGas
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_GeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OperatingExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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: |

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

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