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Loans to Customers at amortized cost (Details) - Schedule of loans to customers, net - CLP ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Commercial loans (2) |  |  |  |
Loans to customers |  | $ 33,592,377 |  | $ 30,101,583
Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 34,265,873 |  | 30,937,690
Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (673,496) | [1] | (836,107)
Commercial loans [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 15,729,515 |  | 14,017,203
Commercial loans [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 15,986,168 |  | 14,398,446
Commercial loans [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (256,653) | [1] | (381,243)
Foreign trade loans [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 1,256,625 |  | 949,305
Foreign trade loans [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 1,271,705 |  | 967,646
Foreign trade loans [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (15,080) | [1] | (18,341)
Current account debtors [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 141,488 |  | 114,246
Current account debtors [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 144,010 |  | 120,539
Current account debtors [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (2,522) | [1] | (6,293)
Factoring transactions [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 483,624 |  | 368,230
Factoring transactions [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 486,282 |  | 373,903
Factoring transactions [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (2,658) | [1] | (5,673)
Student loans [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 54,581 |  | 55,162
Student loans [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 58,018 |  | 57,552
Student loans [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (3,437) | [1] | (2,390)
Commercial lease transactions [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | 1,587,974 |  | 1,541,730
Commercial lease transactions [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | 1,612,776 |  | 1,592,905
Commercial lease transactions [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | (24,802) | [1] | (51,175)
Other loans and accounts receivable [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 99,684 |  | 74,331
Other loans and accounts receivable [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 113,373 |  | 90,606
Other loans and accounts receivable [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (13,689) | [1] | (16,275)
Commercial loans Subtotal [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 19,353,491 |  | 17,120,207
Commercial loans Subtotal [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 19,672,332 |  | 17,601,597
Commercial loans Subtotal [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (318,841) | [1] | (481,390)
Mortgage bonds [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 6,057 |  | 9,306
Mortgage bonds [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 6,084 |  | 9,363
Mortgage bonds [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (27) | [1] | (57)
Transferable mortgage loans [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 17,718 |  | 24,029
Transferable mortgage loans [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 17,784 |  | 24,105
Transferable mortgage loans [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (66) | [1] | (76)
Other residential real estate mortgage loans [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 10,132,804 |  | 9,165,333
Other residential real estate mortgage loans [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 10,169,889 |  | 9,198,834
Other residential real estate mortgage loans [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (37,085) | [1] | (33,501)
Credits from ANAP [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  |  |  | 2
Credits from ANAP [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  |  |  | 2
Credits from ANAP [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  |  | [1] |
Other loans and accounts receivable [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 150,963 |  | 154,050
Other loans and accounts receivable [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 152,771 |  | 155,068
Other loans and accounts receivable [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (1,808) | [1] | (1,018)
Mortgages Subtotal [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 10,307,542 |  | 9,352,720
Mortgages Subtotal [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 10,346,528 |  | 9,387,372
Mortgages Subtotal [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (38,986) | [1] | (34,652)
Consumer loans in installments [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 2,605,478 |  | 2,453,967
Consumer loans in installments [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 2,873,304 |  | 2,711,541
Consumer loans in installments [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (267,826) | [1] | (257,574)
Current account debtors [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 166,133 |  | 152,315
Current account debtors [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 172,623 |  | 158,756
Current account debtors [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (6,490) | [1] | (6,441)
Credit card debtors [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 1,159,090 |  | 1,021,820
Credit card debtors [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 1,199,407 |  | 1,077,445
Credit card debtors [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (40,317) | [1] | (55,625)
Consumer lease transactions [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | 476 |  | 300
Consumer lease transactions [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | 509 |  | 302
Consumer lease transactions [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers | [2] | (33) | [1] | (2)
Other loans and accounts receivable [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 167 |  | 254
Other loans and accounts receivable [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 1,170 |  | 677
Other loans and accounts receivable [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | (1,003) | [1] | (423)
Consumer loans Subtotal [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 3,931,344 |  | 3,628,656
Consumer loans Subtotal [Member] | Gross Carrying Amount [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | 4,247,013 |  | 3,948,721
Consumer loans Subtotal [Member] | Accumulated Impairment [Member] |  |  |  |
Commercial loans (2) |  |  |  |
Loans to customers |  | $ (315,669) | [1] | $ (320,065)
[1] | Include an additional overlay related to the measures associated with the COVID-19 contingency. See Note No. 42(2)(l).
[2] | In this item, the Bank finances its clients’ purchases of assets, including real estate and other personal property, through financial lease agreements. As of December 31, 2021, Ch$810,969 million corresponds to financial leases for real estate (Ch$803,238 million in December 31, 2020) and Ch$802,316 million corresponds to financial leases for other assets (Ch$789,969 million in December 31, 2020).

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