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Derivative Instruments and Accounting Hedges (Details) - Schedule of bank's portfolio of derivative instruments - CLP ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Cross currency swap [member] | Fair value hedges [member] |  |
Derivatives held for hedging of fair value |  |
Notional amount - hedging | $ 1,788 | $ 5,031
Fair value assets - hedging |  |
Fair value liabilities - hedging | 608 | 1,646
Derivatives held-for-trading purposes |  |
Notional amount | 1,788 | 5,031
Interest rate swap [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 44,811,310 | 44,189,444
Fair value assets - trading | 825,525 | 1,167,416
Fair value liabilities - trading | 831,338 | 1,189,828
Interest rate swap [member] | Fair value hedges [member] |  |
Derivatives held for hedging of fair value |  |
Notional amount - hedging |  | 29,508
Fair value assets - hedging |  |
Fair value liabilities - hedging |  | 4,873
Derivatives held-for-trading purposes |  |
Notional amount |  | 29,508
Derivatives [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 85,496,539 | 84,963,153
Fair value assets - trading | 2,705,495 | 2,566,942
Fair value liabilities - trading | 2,772,780 | 2,769,962
Notional amount | 86,864,097 | 86,215,149
Fair value assets | 2,983,298 | 2,618,004
Fair value liabilities | 2,773,476 | 2,841,653
Derivatives [member] | Fair value hedges [member] |  |
Derivatives held for hedging of fair value |  |
Notional amount - hedging | 1,788 | 34,539
Fair value assets - hedging |  |
Fair value liabilities - hedging | 608 | 6,519
Derivatives [member] | Cash flow hedges [member] |  |
Derivatives held for hedging of fair value |  |
Notional amount - hedging | 1,365,770 | 1,217,457
Fair value assets - hedging | 277,803 | 51,062
Fair value liabilities - hedging | 88 | 65,172
Interest rate swap and cross currency swap [member] | Cash flow hedges [member] |  |
Derivatives held for hedging of fair value |  |
Notional amount - hedging | 1,362,671 | 1,217,457
Fair value assets - hedging | 277,803 | 51,062
Fair value liabilities - hedging |  | 65,172
Currency forward [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 21,676,356 | 21,751,181
Fair value assets - trading | 742,545 | 551,964
Fair value liabilities - trading | 505,463 | 637,164
Notional amount | 3,099 |
Fair value assets |  |
Fair value liabilities | 88 |
Cross currency swap and interest rate swap [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 18,798,439 | 18,893,219
Fair value assets - trading | 1,132,717 | 845,831
Fair value liabilities - trading | 1,432,794 | 940,565
Call currency options [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 117,001 | 71,914
Fair value assets - trading | 4,509 | 269
Fair value liabilities - trading | 2,726 | 306
Put currency options [member] |  |
Derivatives held-for-trading purposes |  |
Notional amount - trading | 93,433 | 57,395
Fair value assets - trading | 199 | 1,462
Fair value liabilities - trading | $ 459 | $ 2,099

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