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Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk - Performance guarantees [Member] - CLP ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal | $ 2,188,201 | $ 2,274,290
Substandard | 21,833 | 5,806
Non—complying | 4,336 | 3,294
Total | 2,214,370 | 2,283,390
Stage 1 - Individual [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal | 1,573,058 | 1,804,374
Substandard |  |
Non—complying |  |
Total | 1,573,058 | 1,804,374
Stage 1 - Group [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal | 46,523 | 44,325
Substandard |  |
Non—complying |  |
Total | 46,523 | 44,325
Stage 2 - Individual [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal | 568,005 | 414,621
Substandard | 21,833 | 5,806
Non—complying |  |
Total | 589,838 | 420,427
Stage 2 - Group [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal | 615 | 10,970
Substandard |  |
Non—complying |  |
Total | 615 | 10,970
Stage 3 - Individual [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal |  |
Substandard |  |
Non—complying | 3,851 | 2,194
Total | 3,851 | 2,194
Stage 3 - Group [Member] |  |
Provisions (Details) - Schedule of credit quality and the maximum exposure to credit risk [Line Items] |  |
Normal |  |
Substandard |  |
Non—complying | 485 | 1,100
Total | $ 485 | $ 1,100

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