XML 94 R79.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Supplemental Financial Information (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Supplemental Financial Information [Abstract] |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net | $ (177.3) | $ 244.4 |
Capitalized interest | 87.4 | 78.2 | $ 67.7
Capital expenditure accruals | $ 60.9 | $ 137.2 | $ 111.8

X
- Definition Capital expenditure accruals. + References No definition available. + Details
Name: | esv_CapitalExpenditureAccruals
Namespace Prefix: | esv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Supplemental Financial Information [Abstract] + References No definition available. + Details
Name: | esv_SupplementalFinancialInformationAbstract
Namespace Prefix: | esv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in other current operating assets less other current operating liabilities not separately disclosed in the statement of cash flows. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest capitalized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
Name: | us-gaap_InterestCostsCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration