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Changes in Liabilities Arising from Financing Activities (Tables) | 12 Months Ended
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Dec. 31, 2020
Text block [abstract] |
Summary of Changes in Liabilities Arising from Financial Activities | Changes in liabilities arising from financing activities, liabilities related to cashflow to be classified as future financing activities, for the years ended December 31, 2019 and 2020, are as follows:
(In millions of Korean won) |  | 2019 |
| Beginning |  |  | Cash flows |  |  | Non-cash |  |  | Ending |
| Changes in Accounting Policy 1 |  |  | Newly acquired |  |  | Exchange difference |  |  | Fair Value changes |  |  | Others |
Borrowing |  | ￦ | 6,648,294 |  |  | ￦ | 574,175 |  |  | ￦ | — |  |  | ￦ | — |  |  | ￦ | 64,398 |  |  | ￦ | — |  |  | ￦ | 12,000 |  |  | ￦ | 7,298,867 |
Lease liabilities |  |  | 163,858 |  |  |  | (485,444 | ) |  |  | 771,410 |  |  |  | 774,906 |  |  |  | — |  |  |  | — |  |  |  | (13,379 | ) |  |  | 1,211,351 |
Derivative liabilities |  |  | 65,067 |  |  |  | (9,734 | ) |  |  | — |  |  |  | — |  |  |  | (4,234 | ) |  |  | (20,058 | ) |  |  | (10,945 | ) |  |  | 20,096 |
Derivative assets |  |  | (29,843 | ) |  |  | 33,635 |  |  |  | — |  |  |  | — |  |  |  | (53,729 | ) |  |  | (11,398 | ) |  |  | 2,759 |  |  |  | (58,576 | )
Total |  | ￦ | 6,847,376 |  |  | ￦ | 112,632 |  |  | ￦ | 771,410 |  |  | ￦ | 774,906 |  |  | ￦ | 6,435 |  |  | ￦ | (31,456 | ) |  | ￦ | (9,565 | ) |  | ￦ | 8,471,738 |
1 | For information on the financial impacts due to change in accounting policy, see Note 41.
(In millions of Korean won) |  | 2020 |
| Beginning |  |  | Cash flows |  |  | Non-cash |  |  | Ending |
| Newly acquired |  |  | Exchange difference |  |  | Fair Value changes |  |  | Change in Consolidati- on Scope |  |  | Others |
Borrowing |  | ￦ | 7,298,867 |  |  | ￦ | 167,867 |  |  | ￦ | 17,523 |  |  | ￦ | (157,985 | ) |  | ￦ | — |  |  | ￦ | — |  |  | ￦ | (9,974 | ) |  | ￦ | 7,316,298 |
Lease liabilities |  |  | 1,211,351 |  |  |  | (447,784 | ) |  |  | 473,477 |  |  |  | (3 | ) |  |  | 40 |  |  |  | 3,564 |  |  |  | (97,005 | ) |  |  | 1,143,640 |
|  |  | — |  |  |  | (13,674 | ) |  |  | 13,674 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Derivative liabilities |  |  | 20,096 |  |  |  | (943 | ) |  |  | 2,798 |  |  |  | 142,511 |  |  |  | (23,669 | ) |  |  | — |  |  |  | (10,220 | ) |  |  | 130,573 |
Derivative assets |  |  | (58,576 | ) |  |  | 34,933 |  |  |  | — |  |  |  | 2,870 |  |  |  | (3,456 | ) |  |  | — |  |  |  | 16,623 |  |  |  | (7,606 | )
Total |  | ￦ | 8,471,738 |  |  | ￦ | (259,601 | ) |  | ￦ | 507,472 |  |  | ￦ | (12,607 | ) |  | ￦ | (27,085 | ) |  | ￦ | 3,564 |  |  | ￦ | (100,576 | ) |  | ￦ | 8,582,905 |

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