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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
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