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Depreciation, Amortization and Impairment | 12 Months Ended
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Dec. 31, 2017
Depreciation, Amortization and Impairment |
Depreciation, Amortization and Impairment | 36. Depreciation, Amortization and Impairment: (a) Amounts charged to income for depreciation and amortization during 2015, 2016 and 2017 are detailed as follows:
|  | 2015 |  | 2016 |  | 2017 |
|  | MCh$ |  | MCh$ |  | MCh$ |
Depreciation and amortization |  |  |  |  |  |  |
Depreciation of property and equipment (Note No.15a and Note No. 16) |  | 21,206 |  | 24,694 |  | 26,176 |
Amortization of intangibles assets (Note No.14a) |  | 10,616 |  | 10,881 |  | 11,360 |
Total |  | 31,822 |  | 35,575 |  | 37,536 |
(b) As of December 31, 2015, 2016 and 2017, the impairment loss is detailed as follows:
|  | 2015 |  | 2016 |  | 2017 |
|  | MCh$ |  | MCh$ |  | MCh$ |
Impairment loss |  |  |  |  |  |  |
Impairment loss on investment instruments |  | — |  | — |  | — |
Impairment loss on property and equipment (Note No.15a) |  | 204 |  | 274 |  | 166 |
Impairment loss on intangibles assets (Note No.14a) |  | 59 |  | — |  | — |
Total |  | 263 |  | 274 |  | 166 |

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