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Fair Value of Financial Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of fair value measurement [text block] [Abstract] |
Schedule of financial assets and liabilities |
|  | As of December 31, |
|  | 2021 |  |  | 2020 |
|  | Book value |  |  | Fair value |  |  | Book value |  |  | Fair value |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Financial derivative contracts |  |  | 10,123,607 |  |  |  | 10,123,607 |  |  |  | 133,718 |  |  |  | 133,718 |
Financial assets held for trading |  |  | 73,347 |  |  |  | 73,347 |  |  |  | 9.032.085 |  |  |  | 9,032,085 |
Loans and accounts receivable at amortized cost, net |  |  | 35,477,628 |  |  |  | 35,655,136 |  |  |  | 33,303,100 |  |  |  | 36,921,368 |
Loans and accounts receivable at FVOCI, net |  |  | 105,437 |  |  |  | 99,375 |  |  |  | 69,331 |  |  |  | 69,331 |
Debt instrument at FVOCI |  |  | 5,803,139 |  |  |  | 5,803,139 |  |  |  | 7,162,542 |  |  |  | 7,162,542 |
Debt instrument at amortized cost |  |  | 4,691,730 |  |  |  | 4,249,697 |  |  |  | - |  |  |  | - |
Guarantee deposits (margin accounts) |  |  | 1,988,410 |  |  |  | 1,988,410 |  |  |  | 608,359 |  |  |  | 608,359 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits and interbank borrowings |  |  | 36,858,576 |  |  |  | 36,421,937 |  |  |  | 31,471,283 |  |  |  | 32,047,227 |
Financial derivative contracts |  |  | 10,871,241 |  |  |  | 10,871,241 |  |  |  | 9,018,660 |  |  |  | 9,018,660 |
Issued debt instruments and other financial liabilities |  |  | 8,579,967 |  |  |  | 8,732,109 |  |  |  | 8,388,495 |  |  |  | 9,590,678 |
Guarantees received (margin accounts) |  |  | 857,679 |  |  |  | 857,679 |  |  |  | 624,205 |  |  |  | 624,205 |
Schedule of assets and liabilities on recurrent basis |
|  | Fair value measurement |
As of December 31, |  | 2021 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Financial assets held for trading |  |  | 73,347 |  |  |  | 42,437 |  |  |  | 30,910 |  |  |  | - |
Loans and accounts receivable at FVOCI, net |  |  | 99,375 |  |  |  | - |  |  |  | - |  |  |  | 99,375 |
Debt instruments at FVOCI |  |  | 5,803,139 |  |  |  | 5,789,050 |  |  |  | 13,534 |  |  |  | 555 |
Derivatives |  |  | 10,123,607 |  |  |  | - |  |  |  | 10,121,111 |  |  |  | 2,496 |
Guarantee deposits (margin accounts) |  |  | 1,988,410 |  |  |  | - |  |  |  | 1,988,410 |  |  |  | - |
Total |  |  | 18,087,878 |  |  |  | 5,831,487 |  |  |  | 12,153,965 |  |  |  | 102,426 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives |  |  | 10,871,241 |  |  |  | - |  |  |  | 10,871,241 |  |  |  | - |
Guarantees received (margin accounts) |  |  | 857,679 |  |  |  | - |  |  |  | 857,679 |  |  |  | - |
Total |  |  | 11,728,920 |  |  |  | - |  |  |  | 11,728,920 |  |  |  | - |
|  | Fair value measurement |
As of December 31, |  | 2020 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Financial assets held for trading |  |  | 133,718 |  |  |  | 132,246 |  |  |  | 1,472 |  |  |  | - |
Loans and accounts receivable at FVOCI, net |  |  | 69,331 |  |  |  | - |  |  |  | - |  |  |  | 69,331 |
Debt instruments at FVOCI |  |  | 7,162,542 |  |  |  | 7,145,285 |  |  |  | 16,731 |  |  |  | 526 |
Derivatives |  |  | 9,032,085 |  |  |  | - |  |  |  | 9,024,484 |  |  |  | 7,601 |
Guarantee deposits (margin accounts) |  |  | 608,359 |  |  |  | - |  |  |  | 608,359 |  |  |  | - |
Total |  |  | 17,006,035 |  |  |  | 7,277,531 |  |  |  | 9,651,046 |  |  |  | 77,458 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives |  |  | 9,018,660 |  |  |  | - |  |  |  | 9,015,900 |  |  |  | 2,760 |
Guarantees received (margin accounts) |  |  | 624,205 |  |  |  | - |  |  |  | 624,205 |  |  |  | - |
Total |  |  | 9,642,865 |  |  |  | - |  |  |  | 9,640,105 |  |  |  | 2,760 |
Schedule of assets or liabilities which are not measured at fair value |
|  | Fair value measurement |
As of December 31, |  | 2021 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Loans and accounts receivable at amortized cost, net |  |  | 35,655,136 |  |  |  | - |  |  |  | - |  |  |  | 35,655,136 |
Debt instrument at amortized cost |  |  | 4,249,697 |  |  |  | 4,249,697 |  |  |  |  |  |  |  | - |
Total |  |  | 39,904,833 |  |  |  | 4,249,697 |  |  |  | - |  |  |  | 35,655,136 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits and interbank borrowings |  |  | 36,421,397 |  |  |  | - |  |  |  | 18,520,999 |  |  |  | 17,900,938 |
Issued debt instruments and other financial liabilities |  |  | 8,732,109 |  |  |  | - |  |  |  | 8,732,109 |  |  |  | - |
Total |  |  | 45,154,046 |  |  |  | - |  |  |  | 27,253,108 |  |  |  | 17,900,938 |
|  | Fair value measurement |
As of December 31, |  | 2020 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Loans and accounts receivable at amortized cost, net |  |  | 36,921,368 |  |  |  | - |  |  |  | - |  |  |  | 36,921,368 |
Total |  |  | 36,921,368 |  |  |  |  |  |  |  |  |  |  |  | 36,921,368 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits and interbank borrowings |  |  | 32,047,227 |  |  |  | - |  |  |  | 17,486,334 |  |  |  | 14,560,893 |
Issued debt instruments and other financial liabilities |  |  | 9,590,678 |  |  |  | - |  |  |  | 9,590,678 |  |  |  | - |
Total |  |  | 41,637,905 |  |  |  | - |  |  |  | 27,077,012 |  |  |  | 14,560,893 |
Schedule of assets and liabilities measured at fair value on a recurrent basis using unobserved significant entries (Level 3) |
As of December 31, 2021
Instrument Level 3 |  | Valuation technique |  | Main unobservable inputs |  | Impacts (in MCh$) Sens, -1bp Unfavorable scenario |  |  | Impacts (in MCh$) Sens, +1bp Favorable scenario |
Derivatives |  | Present Value method |  | Curves on TAB (1) |  |  | (0,6 | ) |  |  | 0,6 |
Debt instruments at FVOCI |  | Internal rate of return method |  | BR UF (2) |  |  | - |  |  |  | - |
As of December 31, 2020
Instrument Level 3 |  | Valuation technique |  | Main unobservable inputs |  | Impacts (in MCh$) Sens, -1bp Unfavorable scenario |  |  | Impacts (in MCh$) Sens, +1bp Favorable scenario |
Derivatives |  | Present Value method |  | Curves on TAB (1) |  |  | (1.3 | ) |  |  | 1.3 |
Debt instruments at FVOCI |  | Internal rate of return method |  | BR UF (2) |  |  | - |  |  |  | - |
Schedule of assets and liabilities measured at fair value on a recurrent basis using unobserved significant entries (Level 3) |
|  | Assets |  |  | Liabilities |
|  | MCh$ |  |  | MCh$ |
As of January 1, 2021 |  |  | 77,458 |  |  |  | 2,760 |
Total realized and unrealized profits (losses) |  |  |  |  |  |  |  |
Included in statements of income |  |  | (4,711 | ) |  |  | - |
Included in other comprehensive income |  |  | 30,073 |  |  |  | - |
Purchases, issuances, and loans (net) |  |  |  |  |  |  | - |
Level transfer |  |  | (394 | ) |  |  | (2,760 | )
As of December 31, 2021 |  |  | 102,426 |  |  |  | - |
Total profits or losses included in comprehensive income for 2021 that are attributable to change in unrealized profit (losses) related to assets or liabilities as of December 31, 2021 |  |  | 24,968 |  |  |  | (2,760 | )
|  | Assets |  |  | Liabilities |
|  | MCh$ |  |  | MCh$ |
As of January 1, 2020 |  |  | 81,678 |  |  |  | 2,950 |
Total realized and unrealized profits (losses) |  |  |  |  |  |  |  |
Included in statements of income |  |  | (196 | ) |  |  | 1,012 |
Included in other comprehensive income |  |  | 3,087 |  |  |  | - |
Purchases, issuances, and loans (net) |  |  | - |  |  |  | - |
Level transfer |  |  | (7,111 | ) |  |  | (1,202 | )
As of December 31, 2020 |  |  | 77,458 |  |  |  | 2,760 |
Total profits or losses included in comprehensive income for 2020 that are attributable to change in unrealized profit (losses) related to assets or liabilities as of December 31, 2020 |  |  | (4,220 | ) |  |  | (190 | )
|  | Assets |  |  | Liabilities |
|  | MCh$ |  |  | MCh$ |
As of January 1, 2019 |  |  | 80,781 |  |  |  | 795 |
Total realized and unrealized profits (losses) |  |  |  |  |  |  |  |
Included in statements of income |  |  | 827 |  |  |  | 2,155 |
Included in other comprehensive income |  |  | 70 |  |  |  | - |
Purchases, issuances, and loans (net) |  |  | - |  |  |  | - |
Level transfer |  |  | - |  |  |  | - |
As of December 31, 2019 |  |  | 81,678 |  |  |  | 2,950 |
Total profits or losses included in comprehensive income for 2019 that are attributable to change in unrealized profit (losses) related to assets or liabilities as of December 31, 2019 |  |  | 897 |  |  |  | 2,155 |
Schedule of financial instruments subject to compensation |
|  | As of December 31, 2021 |  |  |  |  |  |  |
|  | On-balance sheet amounts with netting agreements |  |  |  |  |  |  |
Financial instruments |  | Gross amounts |  |  | Compensated in balance |  |  | Net amount presented in balance |  |  | Remaining financial instruments not subject to netting agreements |  |  | Amount in Statements of Financial Position |
Assets |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |
Financial derivative contracts (*) |  |  | 8,976,617 |  |  |  | - |  |  |  | 8,976,617 |  |  |  | 1,146,990 |  |  |  | 10,123,607 |
Investments under resale agreements |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Loans and accounts receivable at amortized cost, net |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 35,477,628 |  |  |  | 35,477,628 |
Total |  |  | 8,976,617 |  |  |  | - |  |  |  | 8,976,617 |  |  |  | 36,624,618 |  |  |  | 45,601,235 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial derivative contracts (*) |  |  | 8,730,066 |  |  |  | - |  |  |  | 8,730,066 |  |  |  | 2,141,175 |  |  |  | 10,871,241 |
Investments under resale agreements |  |  | 86,634 |  |  |  | - |  |  |  | 86,634 |  |  |  | - |  |  |  | 86,634 |
Deposits and interbank borrowings |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 36,858,576 |  |  |  | 36,858,576 |
Total |  |  | 8,816,700 |  |  |  | - |  |  |  | 8,816,700 |  |  |  | 38,999,751 |  |  |  | 47,816,451 |
|  | As of December 31, 2020 |  |  |  |  |  |  |
|  | On-balance sheet amounts with netting agreements |  |  |  |  |  |  |
Financial instruments |  | Gross amounts |  |  | Compensated in balance |  |  | Net amount presented in balance |  |  | Remaining financial instruments not subject to netting agreements |  |  | Amount in Statements of Financial Position |
Assets |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |  |  | Ch$ Million |
Financial derivative contracts (*) |  |  | 8,840,436 |  |  |  | - |  |  |  | 8,840,436 |  |  |  | 191,649 |  |  |  | 9,032,085 |
Investments under resale agreements |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Loans and accounts receivable at amortized cost, net |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 33,303,100 |  |  |  | 33,303,100 |
Total |  |  | 8,840,436 |  |  |  | - |  |  |  | 8,840,436 |  |  |  | 33,494,749 |  |  |  | 42,605,185 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial derivative contracts (*) |  |  | 8,922,079 |  |  |  | - |  |  |  | 8,922,079 |  |  |  | 96,581 |  |  |  | 9,018,660 |
Investments under resale agreements |  |  | 969,808 |  |  |  | - |  |  |  | 969,808 |  |  |  | - |  |  |  | 969,808 |
Deposits and interbank borrowings |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 31,471,283 |  |  |  | 31,471,283 |
Total |  |  | 9,891,887 |  |  |  | - |  |  |  | 9,891,887 |  |  |  | 31,567,864 |  |  |  | 41,459,751 |
Schedule of credit exposure in its financial derivative operations |
|  | As of December 31, 2021 |  |  | As of December 31, 2020 |
Financial derivative contracts |  | Assets |  |  | Liability |  |  | Assets |  |  | Liability |
|  | MCh$ |  |  | MCh$ |  |  | MCh$ |  |  | MCh$ |
Financial derivative contracts with collateral agreement threshold equal to zero |  |  | 8,696,994 |  |  |  | 9,280,079 |  |  |  | 8,127,263 |  |  |  | 7,900,539 |
Financial derivative contracts with non-zero threshold collateral agreement |  |  | 1,124,413 |  |  |  | 906,479 |  |  |  | 471,529 |  |  |  | 606,661 |
Financial derivative contracts without collateral agreement |  |  | 302,200 |  |  |  | 684,683 |  |  |  | 433,293 |  |  |  | 511,460 |
Total |  |  | 10,123,607 |  |  |  | 10,871,241 |  |  |  | 9,023,085 |  |  |  | 9,018,660 |

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