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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Intangible Assets [Abstract] |
Schedule of intangible assets |
|  | Useful Life |  |  | Average remaining amortization |  |  | Gross balance |  |  | Accumulated Amortization |  |  | Net balance |
|  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |
|  | Years |  |  | Years |  |  | Years |  |  | Years |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Other Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 16,714 |  |  |  | 16,714 |  |  |  | — |  |  |  | — |  |  |  | 16,714 |  |  |  | 16,714 |
Intangible assets arising from business combinations |  | — |  |  | — |  |  | — |  |  | — |  |  |  | 56,249 |  |  |  | 56,249 |  |  |  | (39,553 | ) |  |  | (39,553 | ) |  |  | 16,696 |  |  |  | 16,696 |
Software or computer programs |  | 6 |  |  | 6 |  |  | 5 |  |  | 4 |  |  |  | 163,511 |  |  |  | 180,695 |  |  |  | (105,204 | ) |  |  | (119,994 | ) |  |  | 58,307 |  |  |  | 60,701 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 236,474 |  |  |  | 253,658 |  |  |  | (144,757 | ) |  |  | (159,547 | ) |  |  | 91,717 |  |  |  | 94,111 |
Schedule of changes in intangible assets |
|  | Goodwill (1) |  |  | Intangible assets arising from business combinations (2) |  |  | Software or computer programs |  |  | Total |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Gross Balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2019 |  |  | 16,714 |  |  |  | 56,249 |  |  |  | 144,968 |  |  |  | 217,931 |
Acquisitions |  |  | — |  |  |  | — |  |  |  | 20,928 |  |  |  | 20,928 |
Disposals/write-downs |  |  | — |  |  |  | — |  |  |  | (1,759 | ) |  |  | (1,759 | )
Reclassification |  |  | — |  |  |  | — |  |  |  | (276 | ) |  |  | (276 | )
Impairment (*) |  |  | — |  |  |  | — |  |  |  | (350 | ) |  |  | (350 | )
Balance as of December 31, 2019 |  |  | 16,714 |  |  |  | 56,249 |  |  |  | 163,511 |  |  |  | 236,474 |
Acquisitions |  |  | — |  |  |  | — |  |  |  | 18,631 |  |  |  | 18,631 |
Disposals/write-downs |  |  | — |  |  |  | — |  |  |  | (387 | ) |  |  | (387 | )
Reclassification |  |  | — |  |  |  | — |  |  |  | (16 | ) |  |  | (16 | )
Impairment (*) |  |  | — |  |  |  | — |  |  |  | (1,044 | ) |  |  | (1,044 | )
Balance as of December 31, 2020 |  |  | 16,714 |  |  |  | 56,249 |  |  |  | 180,695 |  |  |  | 253,658 |
Accumulated Amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2019 |  |  | — |  |  |  | (39,553 | ) |  |  | (92,907 | ) |  |  | (132,460 | )
Amortization for the year |  |  | — |  |  |  | — |  |  |  | (12,875 | ) |  |  | (12,875 | )
Disposals/write-downs |  |  | — |  |  |  | — |  |  |  | 316 |  |  |  | 316 |
Reclassification |  |  | — |  |  |  | — |  |  |  | 262 |  |  |  | 262 |
Impairment (*) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance as of December 31, 2019 |  |  | — |  |  |  | (39,553 | ) |  |  | (105,204 | ) |  |  | (144,757 | )
Amortization for the year |  |  | — |  |  |  | — |  |  |  | (15,865 | ) |  |  | (15,865 | )
Disposals/write-downs |  |  | — |  |  |  | — |  |  |  | 660 |  |  |  | 660 |
Reclassification |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Impairment (*) |  |  | — |  |  |  | — |  |  |  | 415 |  |  |  | 415 |
Balance as of December 31, 2020 |  |  | — |  |  |  | (39,553 | ) |  |  | (119,994 | ) |  |  | (159,547 | )
Net balance as of December 31, 2019 |  |  | 16,714 |  |  |  | 16,696 |  |  |  | 58,307 |  |  |  | 91,717 |
Net balance as of December 31, 2020 |  |  | 16,714 |  |  |  | 16,696 |  |  |  | 60,701 |  |  |  | 94,111 |
Schedule of commitments for technological developments |
|  | Amount of Commitment |
|  | 2019 |  |  | 2020 |
|  | MCh$ |  |  | MCh$ |
Software and licenses |  |  | 7,151 |  |  |  | 3,830 |
Schedule of goodwill allocated to individual business segments |
|  | 2019 |  |  | 2020 |
Business Segments |  | MCh$ |  |  | MCh$ |
Retail |  |  | 5,928 |  |  |  | 5,928 |
Wholesale |  |  | 2,135 |  |  |  | 2,135 |
Treasury and money market operations |  |  | 4,513 |  |  |  | 4,513 |
Subsidiaries |  |  | 4,138 |  |  |  | 4,138 |
Total |  |  | 16,714 |  |  |  | 16,714 |

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