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Contingencies and Commitments (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of commitments and contingent liabilities [text block] [Abstract] |
Schedule of commitments accounted for in off-balance sheet accounts |
|  | 2020 |  |  | 2021 |
|  | MCh$ |  |  | MCh$ |
Off-balance-sheet accounts |  |  |  |  |  |
Warranty by endorsement and sureties |  |  | 224,079 |  |  |  | 439,669 |
Confirmed foreign letters of credit |  |  | 58,299 |  |  |  | 91,270 |
Issued foreign letters of credit |  |  | 343,663 |  |  |  | 358,755 |
Performance guarantees |  |  | 2,214,370 |  |  |  | 2,366,953 |
Undrawn credit lines |  |  | 7,650,382 |  |  |  | 8,651,193 |
Other commitments |  |  | 107,707 |  |  |  | 78,951 |
Transactions on behalf of third parties |  |  |  |  |  |  |  |
Collections |  |  | 157,671 |  |  |  | 152,297 |
Third-party resources managed by the Bank: |  |  |  |  |  |  |  |
Financial assets managed on behalf of third parties |  |  | 16,024 |  |  |  | 9,676 |
Other assets managed on behalf of third parties |  |  | — |  |  |  | — |
Financial assets acquired on its own behalf |  |  | 80,788 |  |  |  | 107,210 |
Fiduciary activities |  |  |  |  |  |  |  |
Securities held in safe custody in the Bank |  |  | 2,023,313 |  |  |  | 2,459,854 |
Securities held in safe custody in other entities |  |  | 18,467,801 |  |  |  | 17,833,361 |
Total |  |  | 31,344,097 |  |  |  | 32,549,189 |
Schedule of estimated date of completion of the respective litigation |
|  | As of December 31, 2021 |
|  | 2022 |  |  | 2023 |  |  | 2024 |  |  | 2025 |  |  | 2026 |  |  | Total |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Legal contingencies |  |  | 29 |  |  |  | 295 |  |  |  | 150 |  |  |  | — |  |  |  | — |  |  |  | 474 |
Schedule of guarantees given in relation to subsidiary's business activities |
|  | 2020 |  |  | 2021 |
|  | MCh$ |  |  | MCh$ |
Guarantees: |  |  |  |  |  |
Shares delivered to cover simultaneous forward sales transactions: |  |  |  |  |  |
Santiago Securities Exchange, Stock Exchange |  |  | 47,684 |  |  |  | 38,279 |
Electronic Chilean Securities Exchange, Stock Exchange |  |  | 20,227 |  |  |  | 12,839 |
Fixed income securities to guarantee CCLV system: |  |  |  |  |  |  |  |
Santiago Securities Exchange, Stock Exchange |  |  | 10,000 |  |  |  | 9,990 |
Fixed income securities to guarantee equity lending: |  |  |  |  |  |  |  |
Santiago Securities Exchange, Stock Exchange |  |  | — |  |  |  | 2,344 |
Shares delivered to guarantee equity lending and short-selling: |  |  |  |  |  |  |  |
Santiago Securities Exchange, Stock Exchange |  |  | 2,858 |  |  |  | — |
Total |  |  | 80,769 |  |  |  | 63,452 |
Schedule of insurance policies contracted |
Matter insured |  | Amount Insured (UF) |
Errors and omissions liability policy |  |  | 60,000 |
Civil responsibility policy |  |  | 500 |

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