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Expected Credit Losses Allowance (Details) - Schedule of expected credit losses - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | $ 198,155 | [1] | $ 176,534 | $ 324,462 | [1]
Mortgage loans |  | 41,381 | [1] | 44,437 | 41,873 |
Consumer loans |  | 201,859 | [1] | 134,667 | 180,538 |
Contingent loans |  | 5,189 | [1] | 12,254 | 4,503 | [1]
Loans and account receivable at FVOCI |  | 58 | [1] | 59 | 629 |
Debt at FVOCI |  | (529) | [1] | (435) | 682 |
Debt at amortised cost |  | 957 | [1] | 711 |  |
Subtotal |  | 447,071 | [1] | 368,227 | 552,687 | [1]
Recovery of loans previously charged-off |  | (90,577) | [1] | (76,999) | (74,926) | [1]
TOTAL |  | 356,494 | [1] | 291,228 | 477,761 | [1]
Stage 1 [Member] | Corporate [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 4,324 | [1] | 22,469 | 43,655 | [1]
Mortgage loans | [1] |  |  |  |  |
Consumer loans | [1] |  |  |  |  |
Contingent loans |  | 453 | [1] | 1,607 | 852 | [1]
Loans and account receivable at FVOCI |  | 58 | [1] | 59 | 629 | [1]
Debt at FVOCI | [1] |  |  |  | 682 |
Debt at amortised cost | [1] |  |  |  |  |
Subtotal |  | 4,837 | [1] | 24,135 | 45,818 | [1]
Stage 1 [Member] | Other commercial [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 8,734 | [1] | 6,625 | 23,449 | [1]
Mortgage loans |  | (5,010) | [1] | 7,134 | 30,203 | [1]
Consumer loans |  | 16,234 | [1] | 56,994 | 42,986 | [1]
Contingent loans |  | 2,864 | [1] | 7,397 | (1,411) | [1]
Loans and account receivable at FVOCI | [1] |  |  |  |  |
Debt at FVOCI |  | (529) | [1] | (435) |  | [1]
Debt at amortised cost |  | 957 | [1] | 711 |  |
Subtotal |  | 23,249 | [1] | 78,426 | 95,227 | [1]
Stage 2 [Member] | Corporate [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 272 | [1] | 37,952 | 43,861 | [1]
Mortgage loans | [1] |  |  |  |  |
Consumer loans | [1] |  |  |  |  |
Contingent loans |  | (837) | [1] | 5,167 | 1,624 | [1]
Loans and account receivable at FVOCI | [1] |  |  |  |  |
Debt at FVOCI | [1] |  |  |  |  |
Debt at amortised cost | [1] |  |  |  |  |
Subtotal |  | (565) | [1] | 43,119 | 45,485 | [1]
Stage 2 [Member] | Other commercial [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 515 | [1] | 3,445 | 31,410 | [1]
Mortgage loans |  | (4,936) | [1] | 7,540 | 4,034 | [1]
Consumer loans |  | 72,115 | [1] | 17,710 | (3,914) | [1]
Contingent loans |  | (231) | [1] | (1,420) | 3,029 | [1]
Loans and account receivable at FVOCI | [1] |  |  |  |  |
Debt at FVOCI | [1] |  |  |  |  |
Debt at amortised cost | [1] |  |  |  |  |
Subtotal |  | 67,463 | [1] | 27,275 | 34,559 | [1]
Stage 3 [Member] | Corporate [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 90,349 | [1] | 48,013 | 105,730 | [1]
Mortgage loans | [1] |  |  |  |  |
Consumer loans | [1] |  |  |  |  |
Contingent loans |  | 1,511 | [1] | (279) | (14) | [1]
Loans and account receivable at FVOCI | [1] |  |  |  |  |
Debt at FVOCI | [1] |  |  |  |  |
Debt at amortised cost | [1] |  |  |  |  |
Subtotal |  | 91,860 | [1] | 47,734 | 105,716 | [1]
Stage 3 [Member] | Other commercial [Member] |  |  |  |  |  |
Expected Credit Losses Allowance (Details) - Schedule of expected credit losses [Line Items] |  |  |  |  |  |
Commercial loans |  | 93,961 | [1] | 58,030 | 76,357 | [1]
Mortgage loans |  | 51,327 | [1] | 29,763 | 7,636 |
Consumer loans |  | 113,510 | [1] | 59,963 | 141,466 |
Contingent loans |  | 1,429 | [1] | (218) | 423 | [1]
Loans and account receivable at FVOCI | [1] |  |  |  |  |
Debt at FVOCI | [1] |  |  |  |  |
Debt at amortised cost | [1] |  |  |  |  |
Subtotal |  | $ 260,227 | [1] | $ 147,538 | $ 225,882 | [1]
[1] | Includes overlays for an amount of MCh$59,000. See Note 37, Risk management.

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