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Service Concession Arrangements (Details) ₩ in Millions | 12 Months Ended
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Dec. 31, 2020 KRW (₩)
Disclosure of detailed information about service concession arrangements [Line Items] |
Gas Complex - Thermal Power Plant at Ilijan, Philippines (BOT) | ₩ 160,999
Hydroelectric Power Generation at Semangka, Indonesia (BOT) | 606,782
Less than 1 year |
Disclosure of detailed information about service concession arrangements [Line Items] |
Gas Complex - Thermal Power Plant at Ilijan, Philippines (BOT) | 113,646
Hydroelectric Power Generation at Semangka, Indonesia (BOT) | 27,113
1~2 Years |
Disclosure of detailed information about service concession arrangements [Line Items] |
Gas Complex - Thermal Power Plant at Ilijan, Philippines (BOT) | 47,353
Hydroelectric Power Generation at Semangka, Indonesia (BOT) | 27,144
2~3 Years |
Disclosure of detailed information about service concession arrangements [Line Items] |
Hydroelectric Power Generation at Semangka, Indonesia (BOT) | 27,175
Over 3 years |
Disclosure of detailed information about service concession arrangements [Line Items] |
Hydroelectric Power Generation at Semangka, Indonesia (BOT) | ₩ 525,350

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