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Depreciation, Amortization and Impairment (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Depreciation and amortization |  |  |  |
Depreciation of property and equipment (Note No.16a and Note No. 17) |  | $ 29,194 | $ 27,185 | $ 26,176
Depreciation of rights over leased assets (Note No. 15(d)) | [1] | 28,472 |  |
Amortization of intangibles assets (Note No.14(b)) |  | 12,875 | 10,496 | 11,360
Total |  | 70,541 | 37,681 | 37,536
Impairment loss |  |  |  |
Impairment loss on property and equipment (Note No.15(b)) |  | 2,018 | 334 | 166
Impairment loss on intangibles assets (Note No.14(b)) |  | 350 |  |
Impairment of rights over leased assets (Note No. 15(d)) |  | 187 |  |
Total |  | $ 2,555 | $ 334 | $ 166
[1] | See Note No. 4 "Changes in Accounting policies and Disclosures".

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