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Additional payments to TDCC related to the supply of Ethylene at producer economics expected to occur in 2017.

No definition available.

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Additional payments to TDCC related to the supply of Ethylene at producer economics expected to occur in 2020.

No definition available.

Name:	olin_A2020SupplyContractPayment
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Amount of amortization recognized in connection with the Ethylene Supply Agreement.

No definition available.

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Amount of other assets acquired at the acquisition date in connection with the Ethylene Supply Agreement and expected to be realized.

No definition available.

Name:	olin_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEthyleneAsset
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Amount of long term receivable from the sale of an equity method investment.

No definition available.

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The amount of upfront payments made upon the closing of the Transactions in order to receive ethylene at producer economics and for certain reservation fees for obtaining additional future ethylene supply at producer economics.

No definition available.

Name:	olin_PaymentsforSupplyofEthylene
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The cash outflow related to the arrangements for the long-term supply of low cost natural gas-based electricity.

No definition available.

Name:	olin_Paymentsunderlongtermsupplycontract
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Amount of other assets in connection with the Ethylene Supply Agreement and expected to be realized.

No definition available.

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Noncurrent income tax, value-added tax, and other miscellaneous tax receivables

No definition available.

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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.

No definition available.

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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
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Name:	us-gaap_EquityMethodInvestments
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Carrying amount as of the balance sheet date of the asset arising from a financial instrument or a contract used to hedge price changes in underlying assets, and which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

No definition available.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).