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Interest Income (Details) - Schedule of interest expense - CLP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting $ (707,460) $ (624,314) $ (866,327)
Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (346,467) (447,084) (680,827)
Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (360,993) (177,230) (185,500)
Demand Deposits [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (19,471) (15,102) (15,526)
Demand Deposits [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (14,533) (13,576) (14,018)
Demand Deposits [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (4,938) (1,526) (1,508)
Repurchase Agreements [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (839) (1,899) (9,710)
Repurchase Agreements [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (839) (1,899) (9,710)
Repurchase Agreements [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting
Time Deposits And Liabilities [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (109,400) (161,967) (362,479)
Time Deposits And Liabilities [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (88,949) (141,091) (335,307)
Time Deposits And Liabilities [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (20,451) (20,876) (27,172)
Interbank loans [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (43,559) (45,103) (50,354)
Interbank loans [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (43,559) (45,103) (50,354)
Interbank loans [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting
Issued debt instruments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (495,367) (372,646) (395,999)
Issued debt instruments [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (192,789) (232,551) (250,512)
Issued debt instruments [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (302,578) (140,095) (145,487)
Other financial liabilities [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (585) (648) (1,343)
Other financial liabilities [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (560) (637) (1,310)
Other financial liabilities [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (25) (11) (33)
Lease contracts [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (2,283) (2,651) (2,965)
Lease contracts [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (2,283) (2,651) (2,965)
Lease contracts [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting
Other Interest Expense [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (35,956) (24,298) (27,951)
Other Interest Expense [Member] | Hedged of Interest [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting (2,955) (9,576) (16,651)
Other Interest Expense [Member] | Hedged of Inflation Adjustments [Member]      
Interest Income (Details) - Schedule of interest expense [Line Items]      
Interest expense not including expenses from hedge accounting $ (33,001) $ (14,722) $ (11,300)