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Current Taxes and Deferred Taxes (Details) - Schedule of effects of deferred taxes on assets, liabilities and income accounts - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Debit differences:    
Deferred tax liability (asset) at beginning of period $ 292,517 $ 231,293
Income effect (20,163) 58,895
Equity effect 4,046 2,329
Deferred tax liability (asset) at end of period 276,400 292,517
Allowances for loan losses    
Debit differences:    
Deferred tax liability (asset) at beginning of period 217,361 151,481
Income effect (47,150) 65,880
Equity effect
Deferred tax liability (asset) at end of period 170,211 217,361
Personnel provisions    
Debit differences:    
Deferred tax liability (asset) at beginning of period 16,516 16,997
Income effect (1,929) (481)
Equity effect
Deferred tax liability (asset) at end of period 14,587 16,516
Staff vacations    
Debit differences:    
Deferred tax liability (asset) at beginning of period 9,164 7,444
Income effect 829 1,720
Equity effect
Deferred tax liability (asset) at end of period 9,993 9,164
Accrued interest and indexation adjustments from past due loans    
Debit differences:    
Deferred tax liability (asset) at beginning of period 4,570 3,674
Income effect 503 896
Equity effect
Deferred tax liability (asset) at end of period 5,073 4,570
Staff severance indemnities provision    
Debit differences:    
Deferred tax liability (asset) at beginning of period 1,421 1,491
Income effect (67) (95)
Equity effect (125) 25
Deferred tax liability (asset) at end of period 1,229 1,421
Provisions of credit card expenses    
Debit differences:    
Deferred tax liability (asset) at beginning of period 7,959 8,221
Income effect 1,815 (262)
Equity effect
Deferred tax liability (asset) at end of period 9,774 7,959
Provisions of accrued expenses    
Debit differences:    
Deferred tax liability (asset) at beginning of period 14,083 10,564
Income effect (1,768) 3,519
Equity effect
Deferred tax liability (asset) at end of period 12,315 14,083
Derivative instruments adjustments    
Debit differences:    
Deferred tax liability (asset) at beginning of period 1,361 1,470
Income effect 102 (109)
Equity effect
Deferred tax liability (asset) at end of period 1,463 1,361
Adjustment for valuation and impairment of financial assets at fair value through OCI    
Debit differences:    
Deferred tax liability (asset) at beginning of period  
Income effect 270
Equity effect 2,774
Deferred tax liability (asset) at end of period 3,044
Leasing    
Debit differences:    
Deferred tax liability (asset) at beginning of period 28,835 41,792
Income effect 23,184 (12,957)
Equity effect
Deferred tax liability (asset) at end of period 52,019 28,835
Other adjustments    
Debit differences:    
Deferred tax liability (asset) at beginning of period 37,488 36,523
Income effect 11,401 965
Equity effect
Deferred tax liability (asset) at end of period 48,889 37,488
Total debit differences    
Debit differences:    
Deferred tax liability (asset) at beginning of period 338,758 279,657
Income effect (12,810) 59,076
Equity effect 2,649 25
Deferred tax liability (asset) at end of period 328,597 338,758
Depreciation of property and equipment and investment properties    
Debit differences:    
Deferred tax liability (asset) at beginning of period 17,256 15,524
Income effect (810) 1,732
Equity effect
Deferred tax liability (asset) at end of period 16,446 17,256
Adjustment for valuation and impairment of financial assets at fair value through OCI    
Debit differences:    
Deferred tax liability (asset) at beginning of period 1,397 2,445
Income effect 1,256
Equity effect (1,397) (2,304)
Deferred tax liability (asset) at end of period 1,397
Transitory assets    
Debit differences:    
Deferred tax liability (asset) at beginning of period 6,533 8,329
Income effect 1,580 (1,796)
Equity effect
Deferred tax liability (asset) at end of period 8,113 6,533
Derivative instruments adjustments    
Debit differences:    
Deferred tax liability (asset) at beginning of period
Income effect
Equity effect
Deferred tax liability (asset) at end of period
Accrued interest to effective rate    
Debit differences:    
Deferred tax liability (asset) at beginning of period 2,774 1,381
Income effect (342) 1,393
Equity effect
Deferred tax liability (asset) at end of period 2,432 2,774
Advance payment of lump-sum under union contracts    
Debit differences:    
Deferred tax liability (asset) at beginning of period 2,234 3,334
Income effect 3,434 (1,100)
Equity effect
Deferred tax liability (asset) at end of period 5,668 2,234
Intangible assets amortization    
Debit differences:    
Deferred tax liability (asset) at beginning of period 5,503 5,503
Income effect
Equity effect
Deferred tax liability (asset) at end of period 5,503 5,503
Other adjustments    
Debit differences:    
Deferred tax liability (asset) at beginning of period 10,544 11,848
Income effect 3,491 (1,304)
Equity effect
Deferred tax liability (asset) at end of period 14,035 10,544
Total credit differences    
Debit differences:    
Deferred tax liability (asset) at beginning of period 46,241 48,364
Income effect 7,353 181
Equity effect (1,397) (2,304)
Deferred tax liability (asset) at end of period $ 52,197 $ 46,241