1.0.0.3 false Unaudited Condensed Consolidated Financial Statements false 1 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 2 Unaudited Condensed Consolidated Financial Statements [Abstract] 0 esv_UnauditedCondensedConsolidatedFinancialStatements esv false na duration string Unaudited Condensed Consolidated Financial Statements [Abstract] false false false false false true false false false 1 false false 0 0 false false Unaudited Condensed Consolidated Financial Statements [Abstract] false 3 Unaudited Condensed Consolidated Financial Statements 1 us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock us-gaap true na duration string No definition available. false false false false false false false false false 1 false false 0 0 <div> <h2> <a name="_AUCb28704a5dcd8417596373bc4f5e3555a"><span style= "font-size:10.0pt; mso-fareast-font-family:Times New Roman">Note 1 - Unaudited Condensed Consolidated Financial Statements</span></a> </h2> <p> <span><span style="font-size:10.0pt">       We prepared the accompanying condensed consolidated financial statements of ENSCO International Incorporated and subsidiaries (the "Company" or "Ensco") in accordance with accounting principles generally accepted in the United States of America ("GAAP"), pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC") included in the instructions to Form 10-Q and Article 10 of Regulation S-X. The financial information included in this report is unaudited but, in our opinion, includes all adjustments (consisting of normal recurring adjustments) that are necessary for a fair presentation of our financial position, results of operations and cash flows for the interim periods presented. The December 31, 2008 condensed consolidated balance sheet data were derived from our 2008 audited consolidated financial statements but do not include all disclosures required by GAAP. Certain previously reported amounts have been reclassified to conform to the current year presentation. The preparation of our condensed consolidated financial statements requires management to make certain estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, the related revenues and expenses and disclosures of gain and loss contingencies as of the date of the financial statements. Actual results could differ from those estimates.</span></span> </p> <p> <span><span style="font-size:10.0pt">       The financial data for the three-month and six-month periods ended June 30, 2009 and 2008 included herein have been subjected to a limited review by KPMG LLP, our independent registered public accounting firm. The accompanying independent registered public accounting firm's review report is not a report within the meaning of Sections 7 and 11 of the Securities Act of 1933, and the independent registered public accounting firm's liability under Section 11 does not extend to it.</span></span> </p><span><span style= "font-size:10.0pt;font-family:Times New Roman,serif;mso-fareast-font-family: Times New Roman;mso-fareast-theme-font:minor-fareast;mso-ansi-language:EN-US; mso-fareast-language:EN-US;mso-bidi-language:AR-SA">       Results of operations for the three-month and six-month periods ended June 30, 2009 are not necessarily indicative of the results of operations that will be realized for the year ending December 31, 2009. It is recommended that these condensed consolidated financial statements be read in conjunction with our audited consolidated financial statements and notes thereto for the year ended December 31, 2008 included in our Annual Report on Form 10-K filed with the SEC on February 26, 2009.</span></span> <style> /*<![CDATA[*/  /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} /*]]>*/ </style> </div> Note 1 - Unaudited Condensed Consolidated Financial Statements        We prepared the false false No definition available. No authoritative reference available. false false 1 2 false UnKnown UnKnown UnKnown false true