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Retained Earnings and Dividends Paid (Tables) | 12 Months Ended
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Dec. 31, 2022
Retained earnings [abstract] |
Summary of Retained Earnings |
(1) | Details of retained earnings as of December 31, 2021 and 2022 are as follows:
|  |  |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Legal reserve (*) |  |  | ￦ |  |  |  | 1,604,910 |  |  |  | 1,604,910 |
Voluntary reserves |  |  |  |  |  |  | 33,282,817 |  |  |  | 27,782,969 |
Retained earnings (Undisposed deficit) before appropriations |  |  |  |  |  |  | 10,370,517 |  |  |  | (7,956,579 | )
Retained earnings |  |  | ￦ |  |  |  | 45,258,244 |  |  |  | 21,431,300 |
| (*) | The KEPCO Act requires KEPCO to appropriate a legal reserve equal to at least 20 percent of net income for each accounting period until the reserve equals 50 percent of KEPCO’s common stock. The legal reserve is not available for cash dividends; however, this reserve may be credited to paid-in capital or offset against accumulated deficit by the resolution of the shareholders.
Voluntary Reserves |
(2) | Details of voluntary reserves as of December 31, 2021 and 2022 are as follows:
|  |  |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Reserve for investment on social overhead capital |  | ￦ |  |  |  |  | 5,277,449 |  |  |  | 5,277,449 |
Reserve for research and human development (*) |  |  |  |  |  |  | 330,000 |  |  |  | 330,000 |
Reserve for business expansion |  |  |  |  |  |  | 27,465,368 |  |  |  | 21,965,520 |
Reserve for equalizing dividends |  |  |  |  |  |  | 210,000 |  |  |  | 210,000 |
|  | ￦ |  |  |  |  | 33,282,817 |  |  |  | 27,782,969 |
| (*) | The reserve for research and human development is appropriated by KEPCO to use as qualified tax credits to reduce corporate tax liabilities. The reserve is available for cash dividends for a certain period as defined by the Restriction of Special Taxation Act of Korea.
Summary of Changes in Retained Earnings |
(3) | Changes in retained earnings for the years ended December 31, 2021 and 2022 are as follows:
|  |  |  | 2021 |  |  | 2022 |
|  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  | 51,134,330 |  |  |  | 45,258,244 |
Loss for the year attributed to owners of the controlling company |  |  |  |  | (5,304,522 | ) |  |  | (24,466,853 | )
Changes in equity method retained earnings |  |  |  |  | 3,609 |  |  |  | 12,305 |
Remeasurements of defined benefit liability, net of tax |  |  |  |  | 201,067 |  |  |  | 626,769 |
Transfer of gain or loss on valuation of financial assets at FVOCI |  |  |  |  | 4,388 |  |  |  | — |
Dividends paid |  |  |  |  | (780,628 | ) |  |  | — |
Additional paid-in capital and others |  |  |  |  | — |  |  |  | 835 |
Ending balance |  | ￦ |  |  | 45,258,244 |  |  |  | 21,431,300 |
Summary of Dividends Paid |
(4) | Dividends paid for the years ended December 31, 2020, 2021 and 2022 are as follows:
|  | 2020 |
In millions of won |  | Number of shares issued |  |  | Number of treasury stocks |  |  | Number of shares eligible for dividends |  |  |  |  |  | Dividends paid per share |  |  | Dividends paid |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (In won) |  |  |  |
Common shares |  |  | 641,964,077 |  |  |  | — |  |  |  | 641,964,077 |  |  | ￦ |  |  |  |  | — |  |  |  | — |
|  | 2021 |
In millions of won |  | Number of shares issued |  |  | Number of treasury stocks |  |  | Number of shares eligible for dividends |  |  |  |  |  | Dividends paid per share |  |  | Dividends paid |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (In won) |  |  |  |
Common shares |  |  | 641,964,077 |  |  |  | — |  |  |  | 641,964,077 |  |  | ￦ |  |  |  |  | 1,216 |  |  |  | 780,628 |
|  | 2022 |
In millions of won |  | Number of shares issued |  |  | Number of treasury stocks |  |  | Number of shares eligible for dividends |  |  |  |  |  | Dividends paid per share |  |  | Dividends paid |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (In won) |  |  |  |
Common shares |  |  | 641,964,077 |  |  |  | — |  |  |  | 641,964,077 |  |  | ￦ |  |  |  |  | — |  |  |  | — |
Changes in Retained Earnings of Investments in Associates And Joint Ventures |
(5) | Changes in retained earnings of investments in associates and joint ventures for the years ended December 31, 2021 and 2022 are as follows:
|  |  |  |  | 2021 |  |  | 2022 |
|  |  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  |  |  | 361 |  |  |  | 3,970 |
Changes |  |  |  |  |  |  | 3,609 |  |  |  | 12,305 |
Ending balance |  | ￦ |  |  |  |  | 3,970 |  |  |  | 16,275 |
Summary of Changes in Reserve of Remeasurement |
(6) | Changes in remeasurement components related to defined benefit liability for the years ended December 31, 2021 and 2022 are as follows:
|  |  |  | 2021 |  |  | 2022 |
|  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  | (169,234 | ) |  |  | 98,844 |
Changes |  |  |  |  | 327,957 |  |  |  | 964,791 |
Income tax effect |  |  |  |  | (126,890 | ) |  |  | (338,022 | )
Transfer to reserve for business expansion |  |  |  |  | 67,011 |  |  |  | (110,808 | )
Ending balance |  | ￦ |  |  | 98,844 |  |  |  | 614,805 |

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