- Definition

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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Hedging Transactions and Derivative Financial Instruments (Notional Values of Derivative Instruments) (Details)	Mar. 31, 2018 JPY (¥) T	Mar. 31, 2018 EUR (€) T	Mar. 31, 2018 USD ($) T	Mar. 31, 2018 KRW (₩) T
Contracts not designated as hedging instruments \| KRW/USD \| Foreign Exchange Forward
Derivative [Line Items]
Notional amount \| ₩				₩ 2,477,560,000
Contracts not designated as hedging instruments \| JPY/EUR \| Foreign Exchange Forward
Derivative [Line Items]
Notional amount \| ¥	¥ 310,000,000
Contracts not designated as hedging instruments \| EUR/USD \| Foreign Exchange Forward
Derivative [Line Items]
Notional amount \| €		€ 8,081,989
Contracts not designated as hedging instruments \| EUR/HUF \| Foreign Exchange Forward
Derivative [Line Items]
Notional amount \| €		€ 608,174
Contracts not designated as hedging instruments \| USD/CNY \| Foreign Exchange Forward
Derivative [Line Items]
Notional amount \| $			$ 10,637,837
Contracts designated as hedging instruments \| April 2018 - June 2018
Derivative [Line Items]
Volume of Copper Derivatives	153	153	153	153
Contracts designated as hedging instruments \| July 2018 - September 2018
Derivative [Line Items]
Volume of Copper Derivatives	153	153	153	153
Contracts designated as hedging instruments \| October 2018 - December 2018
Derivative [Line Items]
Volume of Copper Derivatives	162	162	162	162
Contracts designated as hedging instruments \| January 2019 - March 2019
Derivative [Line Items]
Volume of Copper Derivatives	56	56	56	56
Contracts designated as hedging instruments \| April 2019 - June 2019
Derivative [Line Items]
Volume of Copper Derivatives	56	56	56	56