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Investment Properties (Tables) | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Summary of Investment Properties | Changes in investment properties for the years ended December 31, 2016 and 2017, are as follows:
(In millions of Korean won) |  | 2016 |
| Land |  |  | Buildings |  |  | Construction-in- progress |  |  | Total |
Acquisition cost |  | ￦ | 340,790 |  |  | ￦ | 1,011,236 |  |  | ￦ | 74,208 |  |  | ￦ | 1,426,234 |
Less: Accumulated depreciation |  |  | — |  |  |  | (324,164 | ) |  |  | — |  |  |  | (324,164 | )
Beginning |  |  | 340,790 |  |  |  | 687,072 |  |  |  | 74,208 |  |  |  | 1,102,070 |
Acquisition |  |  | 51 |  |  |  | 417 |  |  |  | 160,138 |  |  |  | 160,606 |
Disposal/Abandonment |  |  | (5,837 | ) |  |  | (1,802 | ) |  |  | — |  |  |  | (7,639 | )
Depreciation |  |  | — |  |  |  | (43,575 | ) |  |  | — |  |  |  | (43,575 | )
Transfer |  |  | (32,254 | ) |  |  | 124,417 |  |  |  | (155,581 | ) |  |  | (63,418 | )
Ending |  | ￦ | 302,750 |  |  | ￦ | 766,529 |  |  | ￦ | 78,765 |  |  | ￦ | 1,148,044 |
Acquisition cost |  | ￦ | 302,750 |  |  | ￦ | 1,119,885 |  |  | ￦ | 78,765 |  |  | ￦ | 1,501,400 |
Less: Accumulated depreciation |  |  | — |  |  | ￦ | (353,356 | ) |  |  | — |  |  | ￦ | (353,356 | )
(In millions of Korean won) |  | 2017 |
| Land |  |  | Buildings |  |  | Construction-in- progress |  |  | Total |
Acquisition cost |  | ￦ | 302,750 |  |  | ￦ | 1,119,885 |  |  | ￦ | 78,765 |  |  | ￦ | 1,501,400 |
Less: Accumulated depreciation |  |  | — |  |  |  | (353,356 | ) |  |  | — |  |  |  | (353,356 | )
Beginning |  |  | 302,750 |  |  |  | 766,529 |  |  |  | 78,765 |  |  |  | 1,148,044 |
Acquisition |  |  | — |  |  |  | 775 |  |  |  | 48,075 |  |  |  | 48,850 |
Disposal/Abandonment |  |  | (3,493 | ) |  |  | (6,434 | ) |  |  | — |  |  |  | (9,927 | )
Depreciation |  |  | — |  |  |  | (47,295 | ) |  |  | — |  |  |  | (47,295 | )
Transfer from(to) property, plant and equipment |  |  | 64,449 |  |  |  | (1,793 | ) |  |  | (1,184 | ) |  |  | 61,472 |
Transfer and others |  |  | (6,916 | ) |  |  | 80,986 |  |  |  | (85,683 | ) |  |  | (11,613 | )
Ending |  | ￦ | 356,790 |  |  | ￦ | 792,768 |  |  | ￦ | 39,973 |  |  | ￦ | 1,189,531 |
Acquisition cost |  | ￦ | 358,358 |  |  | ￦ | 1,191,687 |  |  | ￦ | 39,973 |  |  | ￦ | 1,590,018 |
Less: Accumulated depreciation (include. Accumulated impairment) |  |  | (1,568 | ) |  |  | (398,919 | ) |  |  | — |  |  |  | (400,487 | )
Summary of Investment Properties Provided as Collateral | Details of investment properties provided as collateral as of December 31, 2016 and 2017, are as follows:
(In millions of Korean won) |  | 2016 |
|  | Carrying amount |  |  | Secured amount |  |  | Related account |  | Related amount |
Buildings |  | ￦ | 711,989 |  |  | ￦ | 98,543 |  |  | Deposits |  | ￦ | 84,334 |
Land and Buildings |  | ￦ | 8,035 |  |  | ￦ | 7,891 |  |  | Borrowings |  | ￦ | 5,260 |
(In millions of Korean won) |  | 2017 |
|  | Carrying amount |  |  | Secured amount |  |  | Related account |  | Related amount |
Buildings |  | ￦ | 772,708 |  |  | ￦ | 104,861 |  |  | Deposits |  | ￦ | 90,150 |
Land and Buildings |  | ￦ | 7,897 |  |  | ￦ | 7,905 |  |  | Borrowings |  | ￦ | 5,270 |

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