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Lease (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary Of Details Of Finance Lease Assets | Details of finance lease assets as of December 31, 2016 and 2017, are as follows:
(in millions of Korean won) |  | 2016 |  |  | 2017 |
Acquisition costs |  | ￦ | 298,631 |  |  | ￦ | 325,975 |
Less: Accumulated depreciation |  |  | (105,013 | ) |  |  | (126,091 | )
Net balance |  | ￦ | 193,618 |  |  | ￦ | 199,884 |
Summary Of Details Of Future Minimum Lease Payments Under Finance Lease Contracts | Details of future minimum lease payments As of December 31, 2016 and 2017, under finance lease contracts are summarized below:
(in millions of Korean won) |  | 2016 |  |  | 2017 |
Total amount of minimum lease payments |  |  |  |  |  |  |  |
Within one year |  | ￦ | 79,644 |  |  | ￦ | 88,441 |
From one year to five years |  |  | 131,813 |  |  |  | 132,113 |
More than five years |  |  | — |  |  |  | 81 |
|  |  | 211,457 |  |  |  | 220,635 |
Unrealized interest expense |  |  | 30,743 |  |  |  | 43,758 |
Net amount of minimum lease payments |  |  |  |  |  |  |  |
Within one year |  |  | 64,008 |  |  |  | 68,651 |
From one year to five years |  |  | 116,706 |  |  |  | 108,146 |
More than five years |  |  | — |  |  |  | 80 |
Total |  | ￦ | 180,714 |  |  | ￦ | 176,877 |
Summary Of Details Of future Minimum Lease Payments Under Operating Lease Contracts | Details of future minimum lease payments As of December 31, 2016 and 2017, under operating lease contracts are summarized below:
(in millions of Korean won) |  | 2016 |  |  | 2017 |
Within one year |  | ￦ | 102,015 |  |  | ￦ | 109,258 |
From one year to five years |  |  | 270,462 |  |  |  | 266,434 |
Thereafter |  |  | 16,549 |  |  |  | 1,635 |
Total |  | ￦ | 389,026 |  |  | ￦ | 377,327 |

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- Definition The disclosure of assets recognised by the entity as a result of engaging in finance leases. [Refer: Recognised finance lease as assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2017-01-01 -Paragraph 31 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_31_a&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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- Definition Disclosure of finance lease by lessee explanatory. + References No definition available. + Details
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- Definition The disclosure of operating lease by lessee. + References No definition available. + Details
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