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Property and Equipment and Leased Assets and Lease Liabilities (Details) - Schedule of changes of rights over leased assets - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Buildings |  |  |  |
Gross Balance |  |  |  |
Total |  |  |  | $ (18,722)
Buildings | Gross balance [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | $ 130,853 |  | 116,577
Additions |  | 7,907 |  | 14,276
Write-downs | [1] | (15,538) |  |
Remeasurement |  | (7) |  |
Total |  | 123,215 |  | 130,853
Buildings | Accumulated Depreciation [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | (18,722) |  |
Depreciation of the year | [2] | (18,867) |  | (18,722)
Write-downs | [2] | 4,029 |  |
Total |  | (33,560) |  |
Net changes of the rights over leased assets |  | 89,655 |  | 112,131
Floor space for ATMs |  |  |  |
Gross Balance |  |  |  |
Total |  |  |  | (9,091)
Floor space for ATMs | Gross balance [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | 41,960 |  | 27,920
Additions |  | 1,319 |  | 14,040
Write-downs | [1] | (1,197) |  |
Remeasurement |  | (1,637) |  |
Total |  | 40,445 |  | 41,960
Floor space for ATMs | Accumulated Depreciation [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | (9,091) |  |
Depreciation of the year | [2] | (7,774) |  | (9,091)
Write-downs | [2] | 369 |  |
Total |  | (16,496) |  |
Net changes of the rights over leased assets |  | 23,949 |  | 32,869
Total |  |  |  |
Gross Balance |  |  |  |
Total |  |  |  | (49,402)
Total | Gross balance [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | 200,067 |  | 144,497
Reclassification |  |  |  | 26,332
Additions |  | 10,073 |  | 30,041
Write-downs |  | (18,257) | [1] | (803)
Remeasurement |  | (1,644) |  |
Total |  | 190,239 |  | 200,067
Total | Accumulated Depreciation [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | (49,402) |  |
Reclassification |  |  |  | (21,546)
Depreciation of the year | [2] | (27,647) |  | (28,472)
Write-downs |  | 5,639 | [2] | 616
Total |  | (71,410) |  |
Net changes of the rights over leased assets |  | 118,829 |  | 150,665
Improvements to leased properties |  |  |  |
Gross Balance |  |  |  |
Total |  |  |  | (21,589)
Improvements to leased properties | Gross balance [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | 27,254 |  |
Reclassification |  |  |  | 26,332
Additions |  | 847 |  | 1,725
Write-downs |  | (1,522) | [1] | (803)
Total |  | 26,579 |  | 27,254
Improvements to leased properties | Accumulated Depreciation [Member] |  |  |  |
Gross Balance |  |  |  |
Beginning Balance |  | (21,589) |  |
Reclassification |  |  |  | (21,546)
Depreciation of the year | [2] | (1,006) |  | (659)
Write-downs |  | 1,241 | [2] | 616
Total |  | (21,354) |  |
Net changes of the rights over leased assets |  | $ 5,225 |  | $ 5,665
[1] | See Note No.36 Depreciation, Amortization and Impairment. Does not include provision for impairment of Ch$1 million
[2] | See Note No.36 Depreciation, Amortization and Impairment.

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