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Maturity analysis for derivative financial liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | ₩ (178,556) | ₩ 83,336
Net settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (3,017) | 0
Gross settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (58,725) | 90,706
Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (116,814) | (7,370)
Less than 1 year |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (77,874) | 10,888
Less than 1 year | Net settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (3,017) | 0
Less than 1 year | Gross settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (15,011) | 5,734
Less than 1 year | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (59,846) | 5,154
1~2 Years |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (29,761) | (26,882)
1~2 Years | Gross settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (8,295) | 16,565
1~2 Years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (21,466) | (43,447)
2~5 Years |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (41,568) | 100,123
2~5 Years | Gross settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (39,654) | 28,283
2~5 Years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (1,914) | 71,840
More than 5 years |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | (29,353) | (793)
More than 5 years | Gross settlement | Not Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | 4,235 | 40,124
More than 5 years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |  |
Derivative financial liabilities, undiscounted cash flows | ₩ (33,588) | ₩ (40,917)

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- Definition The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_39_b&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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