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Restricted Deposits (Tables) | 12 Months Ended
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Dec. 31, 2019
Restricted Deposits [Abstract] |
Restricted Deposits | Restricted deposits as of December 31, 2018 and 2019 are as follows:
|  |  |  |  |  |  | 2018 |  |  | 2019 |
|  |  |  |  |  |  | In millions of won |
Cash and cash equivalents |  | Deposits for government project |  | ￦ |  |  |  |  | 12,747 |  |  |  | 9,287 |
|  | Collateral provided for borrowings |  |  |  |  |  |  | 100,998 |  |  |  | 63,198 |
|  | Collateral provided for lawsuit |  |  |  |  |  |  | 3 |  |  |  | 3 |
|  | Deposits for transmission regional support program |  |  |  |  |  |  | 4,337 |  |  |  | 3,002 |
|  | Decommissioning costs of nuclear power plants |  |  |  |  |  |  | 604 |  |  |  | — |
Short-term financial instruments |  | Restriction on withdrawal related to ‘win-win growth program’ for small and medium enterprises |  |  |  |  |  |  | 34,000 |  |  |  | 93,000 |
Current financial assets at fair value through profit or loss |  | Decommissioning costs of nuclear power plants |  |  |  |  |  |  | 29,451 |  |  |  | — |
Non-current financial assets at fair value through profit or loss |  | Decommissioning costs of nuclear power plants |  |  |  |  |  |  | 498,555 |  |  |  | 541,969 |
Long-term financial instruments |  | Escrow accounts |  |  |  |  |  |  | 69 |  |  |  | 74 |
|  | Guarantee deposits for banking accounts at oversea branches |  |  |  |  |  |  | 315 |  |  |  | 326 |
|  | Collateral provided for borrowings |  |  |  |  |  |  | — |  |  |  | 11,745 |
|  | Decommissioning costs of nuclear power plants |  |  |  |  |  |  | 245,896 |  |  |  | 250,464 |
|  | Funds for developing small and medium enterprises(*) |  |  |  |  |  |  | 200,000 |  |  |  | 200,000 |
|  |  |  | ￦ |  |  |  |  | 1,126,975 |  |  |  | 1,173,068 |
| (*) | Deposits for small and medium enterprises at the Industrial Bank of Korea (IBK) and others for construction of Bitgaram Energy Valley businesses as of December 31, 2018 and 2019.

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