XML 287 R275.htm IDEA: XBRL DOCUMENT v3.22.1
Subsequent Events - Summary of Subsequent Events (Details) - 12 months ended Dec. 31, 2021
₩ in Millions, $ in Millions
KRW (₩)
USD ($)
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
1117 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 04, 2022  
Maturiy Jan. 04, 2025  
Interest rate (%) 2.33%  
Amounts issued for the subsequent period ₩ 150,000  
1118 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 04, 2022  
Maturiy Jan. 04, 2027  
Interest rate (%) 2.53%  
Amounts issued for the subsequent period ₩ 200,000  
1119 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 06, 2022  
Maturiy Jan. 06, 2029  
Interest rate (%) 2.75%  
Amounts issued for the subsequent period ₩ 200,000  
1120 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 06, 2022  
Maturiy Jan. 06, 2032  
Interest rate (%) 2.83%  
Amounts issued for the subsequent period ₩ 100,000  
1121 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 10, 2022  
Maturiy Jan. 10, 2025  
Interest rate (%) 2.50%  
Amounts issued for the subsequent period ₩ 270,000  
1122 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 10, 2022  
Maturiy Jan. 10, 2029  
Interest rate (%) 2.83%  
Amounts issued for the subsequent period ₩ 200,000  
1123 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 12, 2022  
Maturiy Jan. 12, 2027  
Interest rate (%) 2.69%  
Amounts issued for the subsequent period ₩ 280,000  
1124 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 12, 2022  
Maturiy Jan. 12, 2032  
Interest rate (%) 2.90%  
Amounts issued for the subsequent period ₩ 120,000  
1125 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 19, 2022  
Maturiy Jan. 19, 2025  
Interest rate (%) 2.58%  
Amounts issued for the subsequent period ₩ 160,000  
1126 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 19, 2022  
Maturiy Jan. 19, 2029  
Interest rate (%) 2.92%  
Amounts issued for the subsequent period ₩ 100,000  
1127 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 25, 2022  
Maturiy Jan. 25, 2027  
Interest rate (%) 2.80%  
Amounts issued for the subsequent period ₩ 150,000  
1128 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 25, 2022  
Maturiy Jan. 25, 2032  
Interest rate (%) 2.98%  
Amounts issued for the subsequent period ₩ 100,000  
1129 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 27, 2022  
Maturiy Jan. 27, 2025  
Interest rate (%) 2.70%  
Amounts issued for the subsequent period ₩ 190,000  
1130 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Jan. 27, 2022  
Maturiy Jan. 27, 2029  
Interest rate (%) 2.99%  
Amounts issued for the subsequent period ₩ 140,000  
1131 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 04, 2022  
Maturiy Feb. 04, 2027  
Interest rate (%) 2.97%  
Amounts issued for the subsequent period ₩ 190,000  
1132 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 04, 2022  
Maturiy Feb. 04, 2032  
Interest rate (%) 3.05%  
Amounts issued for the subsequent period ₩ 160,000  
1133 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 08, 2022  
Maturiy Feb. 08, 2025  
Interest rate (%) 2.80%  
Amounts issued for the subsequent period ₩ 150,000  
1134 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 08, 2022  
Maturiy Feb. 08, 2029  
Interest rate (%) 3.10%  
Amounts issued for the subsequent period ₩ 140,000  
1135 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 10, 2022  
Maturiy Feb. 10, 2027  
Interest rate (%) 3.03%  
Amounts issued for the subsequent period ₩ 300,000  
1136 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 10, 2022  
Maturiy Feb. 10, 2032  
Interest rate (%) 3.17%  
Amounts issued for the subsequent period ₩ 70,000  
1137 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 14, 2022  
Maturiy Feb. 14, 2025  
Interest rate (%) 2.89%  
Amounts issued for the subsequent period ₩ 200,000  
1138 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 14, 2022  
Maturiy Feb. 14, 2029  
Interest rate (%) 3.19%  
Amounts issued for the subsequent period ₩ 90,000  
1139 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 18, 2022  
Maturiy Feb. 18, 2025  
Interest rate (%) 2.86%  
Amounts issued for the subsequent period ₩ 180,000  
1140 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 18, 2022  
Maturiy Feb. 18, 2027  
Interest rate (%) 3.08%  
Amounts issued for the subsequent period ₩ 110,000  
1141 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 22, 2022  
Maturiy Feb. 22, 2025  
Interest rate (%) 2.93%  
Amounts issued for the subsequent period ₩ 160,000  
1142 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 22, 2022  
Maturiy Feb. 22, 2027  
Interest rate (%) 3.15%  
Amounts issued for the subsequent period ₩ 130,000  
1143 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 25, 2022  
Maturiy Feb. 25, 2025  
Interest rate (%) 2.82%  
Amounts issued for the subsequent period ₩ 120,000  
1144 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Feb. 25, 2022  
Maturiy Feb. 25, 2027  
Interest rate (%) 3.09%  
Amounts issued for the subsequent period ₩ 40,000  
1145 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 02, 2022  
Maturiy Mar. 02, 2025  
Interest rate (%) 2.85%  
Amounts issued for the subsequent period ₩ 150,000  
1146 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 02, 2022  
Maturiy Mar. 02, 2027  
Interest rate (%) 3.12%  
Amounts issued for the subsequent period ₩ 160,000  
1147 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 04, 2022  
Maturiy Mar. 04, 2025  
Interest rate (%) 2.84%  
Amounts issued for the subsequent period ₩ 190,000  
1148 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 04, 2022  
Maturiy Mar. 04, 2027  
Interest rate (%) 3.12%  
Amounts issued for the subsequent period ₩ 90,000  
1149 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 04, 2022  
Maturiy Mar. 04, 2029  
Interest rate (%) 3.15%  
Amounts issued for the subsequent period ₩ 20,000  
1150 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 07, 2022  
Maturiy Mar. 07, 2025  
Interest rate (%) 2.82%  
Amounts issued for the subsequent period ₩ 160,000  
1151 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 07, 2022  
Maturiy Mar. 07, 2027  
Interest rate (%) 3.11%  
Amounts issued for the subsequent period ₩ 90,000  
1152 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 07, 2022  
Maturiy Mar. 07, 2029  
Interest rate (%) 3.15%  
Amounts issued for the subsequent period ₩ 50,000  
1153 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 10, 2022  
Maturiy Mar. 10, 2025  
Interest rate (%) 2.88%  
Amounts issued for the subsequent period ₩ 170,000  
1154 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 10, 2022  
Maturiy Mar. 10, 2027  
Interest rate (%) 3.10%  
Amounts issued for the subsequent period ₩ 130,000  
1155 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 16, 2022  
Maturiy Mar. 16, 2025  
Interest rate (%) 2.89%  
Amounts issued for the subsequent period ₩ 210,000  
1156 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 16, 2022  
Maturiy Mar. 16, 2027  
Interest rate (%) 3.10%  
Amounts issued for the subsequent period ₩ 130,000  
1157 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 18, 2022  
Maturiy Mar. 18, 2025  
Interest rate (%) 2.93%  
Amounts issued for the subsequent period ₩ 180,000  
1158 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 18, 2022  
Maturiy Mar. 18, 2027  
Interest rate (%) 3.09%  
Amounts issued for the subsequent period ₩ 180,000  
1159 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 24, 2022  
Maturiy Mar. 24, 2024  
Interest rate (%) 2.73%  
Amounts issued for the subsequent period ₩ 160,000  
1160 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 24, 2022  
Maturiy Mar. 24, 2027  
Interest rate (%) 3.29%  
Amounts issued for the subsequent period ₩ 80,000  
1161 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2052  
Interest rate (%) 3.30%  
Amounts issued for the subsequent period ₩ 130,000  
1162 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 30, 2022  
Maturiy Mar. 30, 2024  
Interest rate (%) 3.01%  
Amounts issued for the subsequent period ₩ 100,000  
1163 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 30, 2022  
Maturiy Mar. 30, 2025  
Interest rate (%) 3.35%  
Amounts issued for the subsequent period ₩ 60,000  
1164 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Mar. 30, 2022  
Maturiy Mar. 30, 2027  
Interest rate (%) 3.49%  
Amounts issued for the subsequent period ₩ 30,000  
1165 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 01, 2022  
Maturiy Apr. 01, 2024  
Interest rate (%) 3.07%  
Amounts issued for the subsequent period ₩ 150,000  
1166 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 01, 2022  
Maturiy Apr. 01, 2025  
Interest rate (%) 3.45%  
Amounts issued for the subsequent period ₩ 160,000  
1167 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 01, 2022  
Maturiy Apr. 01, 2032  
Interest rate (%) 3.50%  
Amounts issued for the subsequent period ₩ 10,000  
1168 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 05, 2022  
Maturiy Apr. 05, 2024  
Interest rate (%) 3.19%  
Amounts issued for the subsequent period ₩ 130,000  
1169 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 05, 2022  
Maturiy Apr. 05, 2025  
Interest rate (%) 3.46%  
Amounts issued for the subsequent period ₩ 70,000  
1170 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 05, 2022  
Maturiy Apr. 05, 2027  
Interest rate (%) 3.61%  
Amounts issued for the subsequent period ₩ 70,000  
1171 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 07, 2022  
Maturiy Apr. 07, 2024  
Interest rate (%) 3.36%  
Amounts issued for the subsequent period ₩ 100,000  
1172 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 07, 2022  
Maturiy Apr. 07, 2025  
Interest rate (%) 3.58%  
Amounts issued for the subsequent period ₩ 50,000  
1173 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 07, 2022  
Maturiy Apr. 07, 2027  
Interest rate (%) 3.70%  
Amounts issued for the subsequent period ₩ 20,000  
1174 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 11, 2022  
Maturiy Apr. 11, 2024  
Interest rate (%) 3.65%  
Amounts issued for the subsequent period ₩ 160,000  
1175 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 11, 2022  
Maturiy Apr. 11, 2025  
Interest rate (%) 3.71%  
Amounts issued for the subsequent period ₩ 40,000  
1176 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 11, 2022  
Maturiy Apr. 11, 2027  
Interest rate (%) 3.84%  
Amounts issued for the subsequent period ₩ 10,000  
1177 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 15, 2022  
Maturiy Apr. 15, 2024  
Interest rate (%) 3.55%  
Amounts issued for the subsequent period ₩ 230,000  
1178 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 15, 2022  
Maturiy Apr. 15, 2025  
Interest rate (%) 3.70%  
Amounts issued for the subsequent period ₩ 60,000  
1179 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 15, 2022  
Maturiy Apr. 15, 2027  
Interest rate (%) 3.72%  
Amounts issued for the subsequent period ₩ 10,000  
1180 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 19, 2022  
Maturiy Oct. 19, 2023  
Interest rate (%) 3.29%  
Amounts issued for the subsequent period ₩ 230,000  
1181 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 19, 2022  
Maturiy Apr. 19, 2025  
Interest rate (%) 3.70%  
Amounts issued for the subsequent period ₩ 80,000  
1182 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 21, 2022  
Maturiy Oct. 21, 2023  
Interest rate (%) 3.19%  
Amounts issued for the subsequent period ₩ 200,000  
1183 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 21, 2022  
Maturiy Apr. 21, 2025  
Interest rate (%) 3.71%  
Amounts issued for the subsequent period ₩ 150,000  
1184 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 21, 2022  
Maturiy Apr. 21, 2052  
Interest rate (%) 3.72%  
Amounts issued for the subsequent period ₩ 100,000  
1185 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2024  
Interest rate (%) 3.30%  
Amounts issued for the subsequent period ₩ 130,000  
1186 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2025  
Interest rate (%) 3.65%  
Amounts issued for the subsequent period ₩ 130,000  
1187 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2027  
Interest rate (%) 3.77%  
Amounts issued for the subsequent period ₩ 60,000  
1188 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 28, 2022  
Maturiy Apr. 28, 2024  
Interest rate (%) 3.35%  
Amounts issued for the subsequent period ₩ 210,000  
1189 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 28, 2022  
Maturiy Apr. 28, 2025  
Interest rate (%) 3.70%  
Amounts issued for the subsequent period ₩ 260,000  
1190 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Electric Power Corporation  
Issue date Apr. 28, 2022  
Maturiy Apr. 28, 2027  
Interest rate (%) 3.77%  
Amounts issued for the subsequent period ₩ 30,000  
63-1 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Feb. 17, 2022  
Maturiy Feb. 17, 2027  
Interest rate (%) 2.81%  
Amounts issued for the subsequent period ₩ 40,000  
63-2 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Feb. 17, 2022  
Maturiy Feb. 17, 2042  
Interest rate (%) 3.04%  
Amounts issued for the subsequent period ₩ 60,000  
63-3 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Feb. 17, 2022  
Maturiy Feb. 17, 2052  
Interest rate (%) 2.97%  
Amounts issued for the subsequent period ₩ 50,000  
64-1 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Mar. 11, 2022  
Maturiy Mar. 11, 2042  
Interest rate (%) 3.10%  
Amounts issued for the subsequent period ₩ 70,000  
64-2 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Mar. 11, 2022  
Maturiy Mar. 11, 2052  
Interest rate (%) 3.02%  
Amounts issued for the subsequent period ₩ 80,000  
65-1 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Apr. 22, 2022  
Maturiy Apr. 22, 2027  
Interest rate (%) 3.68%  
Amounts issued for the subsequent period ₩ 30,000  
65-2 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Apr. 22, 2022  
Maturiy Apr. 22, 2042  
Interest rate (%) 3.84%  
Amounts issued for the subsequent period ₩ 60,000  
65-3 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Hydro & Nuclear Power Co., Ltd.  
Issue date Apr. 22, 2022  
Maturiy Apr. 22, 2052  
Interest rate (%) 3.72%  
Amounts issued for the subsequent period ₩ 20,000  
Corporate bonds    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea South-East Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2027  
Interest rate (%) 3.30%  
Amounts issued for the subsequent period ₩ 10,000  
Corporate Bonds - 1    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea South-East Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2052  
Interest rate (%) 3.13%  
Amounts issued for the subsequent period ₩ 40,000  
Corporate Bonds - 2    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea South-East Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2025  
Interest rate (%) 3.24%  
Amounts issued for the subsequent period ₩ 90,000  
65-1 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Jan. 17, 2022  
Maturiy Jan. 17, 2032  
Interest rate (%) 2.85%  
Amounts issued for the subsequent period ₩ 10,000  
65-2 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Jan. 17, 2022  
Maturiy Jan. 17, 2042  
Interest rate (%) 2.83%  
Amounts issued for the subsequent period ₩ 10,000  
66-1 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Jan. 24, 2022  
Maturiy Jan. 24, 2025  
Interest rate (%) 2.83%  
Amounts issued for the subsequent period ₩ 40,000  
66-2 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Jan. 24, 2022  
Maturiy Jan. 24, 2027  
Interest rate (%) 2.95%  
Amounts issued for the subsequent period ₩ 30,000  
66-3 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Issue date Jan. 24, 2022  
Maturiy Jan. 24, 2052  
Interest rate (%) 2.87%  
Amounts issued for the subsequent period ₩ 50,000  
67 non-guaranteed Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Feb. 17, 2022  
Maturiy Feb. 17, 2052  
Interest rate (%) 3.01%  
Amounts issued for the subsequent period ₩ 40,000  
9 Foreign Currency Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Midland Power Co., Ltd.  
Issue date Apr. 21, 2022  
Maturiy Apr. 21, 2027  
Interest rate (%) 3.63%  
Amounts issued for the subsequent period | $   $ 300,000
51-1 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Western Power Co., Ltd.  
Issue date Jan. 25, 2022  
Maturiy Jan. 24, 2025  
Interest rate (%) 2.76%  
Amounts issued for the subsequent period ₩ 50,000  
51-2 Corporate bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Western Power Co., Ltd.  
Issue date Jan. 25, 2022  
Maturiy Jan. 24, 2042  
Interest rate (%) 2.78%  
Amounts issued for the subsequent period ₩ 20,000  
52-1 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Western Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2025  
Interest rate (%) 3.18%  
Amounts issued for the subsequent period ₩ 90,000  
52-2 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Western Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2042  
Interest rate (%) 3.35%  
Amounts issued for the subsequent period ₩ 30,000  
52-3 Corporate Bond    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Western Power Co., Ltd.  
Issue date Mar. 28, 2022  
Maturiy Mar. 28, 2052  
Interest rate (%) 3.20%  
Amounts issued for the subsequent period ₩ 10,000  
Corporate Bonds - 3    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Southern Power Co., Ltd.  
Issue date Mar. 24, 2022  
Maturiy Mar. 24, 2025  
Interest rate (%) 3.13%  
Amounts issued for the subsequent period ₩ 40,000  
Corporate Bonds - 4    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Southern Power Co., Ltd.  
Issue date Mar. 24, 2022  
Maturiy Mar. 24, 2042  
Interest rate (%) 3.29%  
Amounts issued for the subsequent period ₩ 60,000  
Corporate Bonds - 5    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Southern Power Co., Ltd.  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2025  
Interest rate (%) 3.63%  
Amounts issued for the subsequent period ₩ 160,000  
Corporate Bonds - 6    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Southern Power Co., Ltd.  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2025  
Interest rate (%) 3.63%  
Amounts issued for the subsequent period ₩ 10,000  
Corporate Bonds - 7    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea Southern Power Co., Ltd.  
Issue date Apr. 26, 2022  
Maturiy Apr. 26, 2052  
Interest rate (%) 3.60%  
Amounts issued for the subsequent period ₩ 20,000  
Corporate Bonds - 8    
Disclosure of non-adjusting events after reporting period [line items]    
Company name Korea East-West Power Co., Ltd.  
Issue date Apr. 22, 2022  
Maturiy Apr. 22, 2025  
Interest rate (%) 3.75%  
Amounts issued for the subsequent period ₩ 60,000