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Derivatives transactions between related parties (Details) - 12 months ended Dec. 31, 2019 - Korea Development Bank SFr in Thousands, $ in Thousands, $ in Thousands, ₩ in Millions | KRW (₩) | USD ($) | CHF (SFr) | HKD ($)
--- | --- | --- | --- | ---
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2019~2024 | 2019~2024 | 2019~2024 | 2019~2024
Pay, Contract Amount | ₩ 177,600 |  |  |
Receive, Contract Amount | $ |  | $ 150,000 |  |
Contract Interest rate Pay | 1.24% | 1.24% | 1.24% | 1.24%
Contract Interest rate Receive | 2.50% | 2.50% | 2.50% | 2.50%
Contract exchange rate | 1,184.00 | 1,184.00 | 1,184.00 | 1,184.00
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2015~2025 | 2015~2025 | 2015~2025 | 2015~2025
Pay, Contract Amount | ₩ 111,190 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 2.62% | 2.62% | 2.62% | 2.62%
Contract Interest rate Receive | 3.25% | 3.25% | 3.25% | 3.25%
Contract exchange rate | 1,111.90 | 1,111.90 | 1,111.90 | 1,111.90
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2017~2027 | 2017~2027 | 2017~2027 | 2017~2027
Pay, Contract Amount | ₩ 111,610 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 2.31% | 2.31% | 2.31% | 2.31%
Contract Interest rate Receive | 3.13% | 3.13% | 3.13% | 3.13%
Contract exchange rate | 1,116.10 | 1,116.10 | 1,116.10 | 1,116.10
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2018~2028 | 2018~2028 | 2018~2028 | 2018~2028
Pay, Contract Amount | ₩ 108,600 |  |  |
Receive, Contract Amount | $ |  |  |  | $ 800,000
Contract Interest rate Pay | 2.69% | 2.69% | 2.69% | 2.69%
Contract Interest rate Receive | 3.35% | 3.35% | 3.35% | 3.35%
Contract exchange rate | 135.75 | 135.75 | 135.75 | 135.75
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2018~2023 | 2018~2023 | 2018~2023 | 2018~2023
Pay, Contract Amount | ₩ 170,280 |  |  |
Receive, Contract Amount | $ |  | $ 150,000 |  |
Contract Interest rate Pay | 2.15% | 2.15% | 2.15% | 2.15%
Contract Interest rate Receive | 3.75% | 3.75% | 3.75% | 3.75%
Contract exchange rate | 1,135.20 | 1,135.20 | 1,135.20 | 1,135.20
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2019~2027 | 2019~2027 | 2019~2027 | 2019~2027
Pay, Contract Amount | ₩ 119,978 |  |  |
Receive, Contract Amount | SFr |  |  | SFr 100,000 |
Contract Interest rate Pay | 1.43% | 1.43% | 1.43% | 1.43%
Contract Interest rate Receive | 0.05% | 0.05% | 0.05% | 0.05%
Contract exchange rate | 1,199.78 | 1,199.78 | 1,199.78 | 1,199.78
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2017~2020 | 2017~2020 | 2017~2020 | 2017~2020
Pay, Contract Amount | ₩ 114,580 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 1.75% | 1.75% | 1.75% | 1.75%
Contract Interest rate Receive | 2.38% | 2.38% | 2.38% | 2.38%
Contract exchange rate | 1,145.80 | 1,145.80 | 1,145.80 | 1,145.80
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2016~2021 | 2016~2021 | 2016~2021 | 2016~2021
Pay, Contract Amount | ₩ 121,000 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 2.15% | 2.15% | 2.15% | 2.15%
Contract Interest rate Receive | 2.50% | 2.50% | 2.50% | 2.50%
Contract exchange rate | 1,210.00 | 1,210.00 | 1,210.00 | 1,210.00
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2019~2022 | 2019~2022 | 2019~2022 | 2019~2022
Pay, Contract Amount | ₩ 112,650 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 1.80% | 1.80% | 1.80% | 1.80%
Contract Interest rate Receive | 3.38% | 3.38% | 3.38% | 3.38%
Contract exchange rate | 1,126.50 | 1,126.50 | 1,126.50 | 1,126.50
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2018~2023 | 2018~2023 | 2018~2023 | 2018~2023
Pay, Contract Amount | ₩ 320,880 |  |  |
Receive, Contract Amount | $ |  | $ 300,000 |  |
Contract Interest rate Pay | 2.03% | 2.03% | 2.03% | 2.03%
Contract Interest rate Receive | 3.75% | 3.75% | 3.75% | 3.75%
Contract exchange rate | 1,069.6 | 1,069.6 | 1,069.6 | 1,069.6
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2019~2022 | 2019~2022 | 2019~2022 | 2019~2022
Pay, Contract Amount | ₩ 117,340 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 1.06% | 1.06% | 1.06% | 1.06%
Contract Interest rate Receive | 2.38% | 2.38% | 2.38% | 2.38%
Contract exchange rate | 1,173.40 | 1,173.40 | 1,173.40 | 1,173.40
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2018~2021 | 2018~2021 | 2018~2021 | 2018~2021
Pay, Contract Amount | ₩ 212,960 |  |  |
Receive, Contract Amount | $ |  | $ 200,000 |  |
Contract Interest rate Pay | 2.10% | 2.10% | 2.10% | 2.10%
Contract Interest rate Receive | 3.00% | 3.00% | 3.00% | 3.00%
Contract exchange rate | 1,064.8 | 1,064.8 | 1,064.8 | 1,064.8
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2017~2022 | 2017~2022 | 2017~2022 | 2017~2022
Pay, Contract Amount | ₩ 113,300 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract Interest rate Pay | 1.94% | 1.94% | 1.94% | 1.94%
Contract Interest rate Receive | 2.63% | 2.63% | 2.63% | 2.63%
Contract exchange rate | 1,133 | 1,133 | 1,133 | 1,133
Cross Currency Interest Rate Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Contract year | 2018~2021 | 2018~2021 | 2018~2021 | 2018~2021
Pay, Contract Amount | ₩ 169,335 |  |  |
Receive, Contract Amount | $ |  | $ 150,000 |  |
Contract Interest rate Pay | 2.26% | 2.26% | 2.26% | 2.26%
Contract Interest rate Receive | 3.88% | 3.88% | 3.88% | 3.88%
Contract exchange rate | 1,128.9 | 1,128.9 | 1,128.9 | 1,128.9
Cross Currency Forward Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Pay, Contract Amount | ₩ 104,849 |  |  |
Receive, Contract Amount | $ |  | $ 100,000 |  |
Contract exchange rate | 1,048.49 | 1,048.49 | 1,048.49 | 1,048.49
Contract date | Dec. 27, 2017 | Dec. 27, 2017 | Dec. 27, 2017 | Dec. 27, 2017
Matrurity date | Jul. 12, 2021 | Jul. 12, 2021 | Jul. 12, 2021 | Jul. 12, 2021
Cross Currency Forward Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Pay, Contract Amount | ₩ 11,925 |  |  |
Receive, Contract Amount | $ |  | $ 10,000 |  |
Contract exchange rate | 1,192.50 | 1,192.50 | 1,192.50 | 1,192.50
Contract date | Dec. 11, 2019 | Dec. 11, 2019 | Dec. 11, 2019 | Dec. 11, 2019
Matrurity date | Jan. 15, 2020 | Jan. 15, 2020 | Jan. 15, 2020 | Jan. 15, 2020
Cross Currency Forward Contract |  |  |  |
Disclosure of Derivatives transactions between related parties [Line Items] |  |  |  |
Pay, Contract Amount | ₩ 4,630 |  |  |
Receive, Contract Amount | $ |  | $ 4,000 |  |
Contract exchange rate | 1,157.40 | 1,157.40 | 1,157.40 | 1,157.40
Contract date | Dec. 30, 2019 | Dec. 30, 2019 | Dec. 30, 2019 | Dec. 30, 2019
Matrurity date | Jan. 23, 2020 | Jan. 23, 2020 | Jan. 23, 2020 | Jan. 23, 2020

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