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DERIVATIVES Part 1 (Details)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Fair Value Hedging [Member]
Interest Rate Contract [Member]
USD ($)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Fair Value Hedging [Member]
Interest Rate Contract [Member]
USD ($)
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Raw Materials [Member]
bbl
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Raw Materials [Member]
T
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Raw Materials [Member]
bbl
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Raw Materials [Member]
T
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Energy Related Derivative [Member]
MMBTU
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Energy Related Derivative [Member]
MMBTU
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Contract ethylene sales contracts [Member]
T
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Commodity Contract [Member]
Contract ethylene sales contracts [Member]
T
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Euro Member Countries, Euro
USD ($)
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Euro Member Countries, Euro
EUR (€)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Euro Member Countries, Euro
USD ($)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Euro Member Countries, Euro
EUR (€)
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Japan, Yen
USD ($)
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Japan, Yen
JPY (¥)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Japan, Yen
USD ($)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Foreign Exchange Contract [Member]
Japan, Yen
JPY (¥)
Mar. 31, 2015
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Swap [Member]
USD ($)
Dec. 31, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Swap [Member]
USD ($)
Hedging Programs [Abstract]                                          
Objectives for Using Derivative Instruments The Company is exposed to market risks, such as changes in foreign currency exchange rates, commodity prices, and interest rates. To mitigate these market risk factors and their effects on the cash flows of the underlying transaction, the Company uses various derivative financial instruments when appropriate in accordance with the Company's hedging strategy and policies. Designation is performed on a specific exposure basis to support hedge accounting. The changes in fair value of these hedging instruments are offset in part or in whole by corresponding changes in the anticipated cash flows of the underlying exposures being hedged. The Company does not enter into derivative transactions for speculative purposes.                                        
Derivative [Line Items]                                          
Derivative, Notional Amount   $ 275invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 275invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                $ 800invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
€ 732invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 1,000invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
€ 810invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_EUR
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 35invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
¥ 4,200invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 40invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
¥ 4,800invest_DerivativeNotionalAmount
/ us-gaap_CurrencyAxis
= currency_JPY
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 500invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
$ 500invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
Derivative, Nonmonetary Notional Amount       30,000,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_PublicUtilitiesInventoryRawMaterialsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
23,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_PublicUtilitiesInventoryRawMaterialsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
33,000,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_PublicUtilitiesInventoryRawMaterialsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
30,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_PublicUtilitiesInventoryRawMaterialsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
28,000,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_EnergyRelatedDerivativeMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
25,000,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_EnergyRelatedDerivativeMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
8,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= emn_ContractethylenesalescontractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
14,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= emn_ContractethylenesalescontractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityContractMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember