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| | | <ShortName> PROVISION FOR INCOME TAXES (Details) </ShortName> |
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| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 090800 - Disclosure - BORROWINGS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/BorrowingsDetails </Role> |
| | | <ShortName> BORROWINGS (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
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| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/DerivativesPart1Details </Role> |
| | | <ShortName> DERIVATIVES Part 1 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 090902 - Disclosure - DERIVATIVES Part 2 (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/DerivativesPart2Details </Role> |
| | | <ShortName> DERIVATIVES Part 2 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 090906 - Disclosure - DERIVATIVES Part 3 (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/DerivativesPart3Details </Role> |
| | | <ShortName> DERIVATIVES Part 3 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 091000 - Disclosure - RETIREMENT PLANS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/RetirementPlansDetails </Role> |
| | | <ShortName> RETIREMENT PLANS (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 091100 - Disclosure - COMMITMENTS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/CommitmentsDetails </Role> |
| | | <ShortName> COMMITMENTS (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 091200 - Disclosure - ENVIRONMENTAL MATTERS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/EnvironmentalMattersDetails </Role> |
| | | <ShortName> ENVIRONMENTAL MATTERS (Details) </ShortName> |
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| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 091400 - Disclosure - STOCKHOLDERS' EQUITY (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/StockholdersEquityDetails </Role> |
| | | <ShortName> STOCKHOLDERS' EQUITY (Details) </ShortName> |
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| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 091500 - Disclosure - EARNINGS AND DIVIDENDS PER SHARE (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/EarningsAndDividendsPerShareDetails </Role> |
| | | <ShortName> EARNINGS AND DIVIDENDS PER SHARE (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 091600 - Disclosure - ASSETS IMPAIRMENTS AND RESTRUCTURING CHARGES, NET (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/AssetsImpairmentsAndRestructuringChargesNetDetails </Role> |
| | | <ShortName> ASSETS IMPAIRMENTS AND RESTRUCTURING CHARGES, NET (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 091700 - Disclosure - SHARE-BASED COMPENSATION AWARDS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/SharebasedCompensationAwardsDetails </Role> |
| | | <ShortName> SHARE-BASED COMPENSATION AWARDS (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 091800 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/SupplementalCashFlowInformationDetails </Role> |
| | | <ShortName> SUPPLEMENTAL CASH FLOW INFORMATION (Details) </ShortName> |
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| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 091900 - Disclosure - SEGMENT INFORMATION (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://eastman.com/role/SegmentInformationDetails </Role> |
| | | <ShortName> SEGMENT INFORMATION (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <Logs> |
| | <Log type="Info"> Element us-gaap_DebtInstrumentInterestRateStatedPercentage had a mix of decimals attribute values: 2 3 5. </Log> |
| | <Log type="Info"> 'Monetary' elements on report '090900 - Disclosure - DERIVATIVES Part 1 (Details)' had a mix of different decimal attribute values. </Log> |
| | <Log type="Info"> Process Flow-Through: 010000 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF EARNINGS, COMPREHENSIVE INCOME AND RETAINED EARNINGS </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2011' </Log> |
| | <Log type="Info"> Process Flow-Through: 020000 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Mar. 31, 2011' </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Dec. 31, 2010' </Log> |
| | <Log type="Info"> Process Flow-Through: 020100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) </Log> |
| | <Log type="Info"> Process Flow-Through: 030000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS </Log> |
| | </Logs> |
| <InputFiles> |
| | <File> emn-20120331.xml </File> |
| | <File> emn-20120331.xsd </File> |
| | <File> emn-20120331_cal.xml </File> |
| | <File> emn-20120331_def.xml </File> |
| | <File> emn-20120331_lab.xml </File> |
| | <File> emn-20120331_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |