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Intangible Assets - Gross Balance (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Intangible assets and goodwill at beginning of period | $ 85,471 |
Intangible assets and goodwill at end of period | 91,717 | $ 85,471
Goodwill generated in the business combination |  | 85,471
Gross Balance |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Intangible assets and goodwill at beginning of period | 217,931 | 195,443
Acquisitions | 20,928 | 23,512
Disposals | (1,759) | (1,024)
Reclassification | (276) |
Impairment loss | (350) |
Intangible assets and goodwill at end of period | 236,474 | 217,931
Gross Balance | Goodwill |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Intangible assets and goodwill at beginning of period | 16,714 | 16,714
Acquisitions |  |
Disposals |  |
Reclassification |  |
Impairment loss |  |
Intangible assets and goodwill at end of period | 16,714 | 16,714
Gross Balance | Intangible assets arising from business combinations |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Intangible assets and goodwill at beginning of period | 56,249 | 56,249
Acquisitions |  |
Disposals |  |
Reclassification |  |
Impairment loss |  |
Intangible assets and goodwill at end of period | 56,249 | 56,249
Goodwill generated in the business combination | 16,696 | 16,696
Gross Balance | Software or computer programs |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Intangible assets and goodwill at beginning of period | 144,968 | 122,480
Acquisitions | 20,928 | 23,512
Disposals | (1,759) | (1,024)
Reclassification | (276) |
Impairment loss | (350) |
Intangible assets and goodwill at end of period | 163,511 | 144,968
Goodwill generated in the business combination | $ 58,307 | $ 52,061

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