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v3.21.1

Loans to Customers at Amortized Cost (Details) - Schedule of change in gross carrying amount and ECL allowances - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Commercial loans [Member] | Gross Carrying Amount [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | $ 16,294,212 | $ 15,438,398
Net change on Balance | [1] | 1,461,050 | 1,118,555
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (69,193) | (55,698)
Foreign exchange adjustments |  | (84,472) | (207,043)
Subtotal Commercial loans |  | 17,601,597 | 16,294,212
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 9,880,799 | 9,426,420
Net change on Balance | [1] | 786,574 | 861,027
Transfer to Stage 1 |  | 501,608 | 873,349
Transfer to Stage 2 |  | (2,224,652) | (1,120,580)
Transfer to Stage 3 |  | (5,865) | (2,593)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  | (20,130) | (156,824)
Subtotal Commercial loans |  | 8,918,334 | 9,880,799
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 3,369,494 | 3,049,264
Net change on Balance | [1] | 551,556 | 452,929
Transfer to Stage 1 |  | 1,640,602 | 1,005,072
Transfer to Stage 2 |  | (1,236,055) | (1,118,008)
Transfer to Stage 3 |  | (32,996) | (13,769)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (77) | (55)
Foreign exchange adjustments |  | (1,326) | (5,939)
Subtotal Commercial loans |  | 4,291,198 | 3,369,494
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 2,059,481 | 2,134,848
Net change on Balance | [1] | 17,987 | (231,267)
Transfer to Stage 1 |  | (501,608) | (873,232)
Transfer to Stage 2 |  | 2,232,210 | 1,130,960
Transfer to Stage 3 |  | (84,410) | (65,157)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (1,561) | (65)
Foreign exchange adjustments |  | (60,288) | (36,606)
Subtotal Commercial loans |  | 3,661,811 | 2,059,481
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 561,831 | 460,251
Net change on Balance | [1] | 114,618 | 57,965
Transfer to Stage 1 |  | (1,636,469) | (1,002,422)
Transfer to Stage 2 |  | 1,308,926 | 1,168,875
Transfer to Stage 3 |  | (146,784) | (121,315)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (3,710) | (371)
Foreign exchange adjustments |  | 1,398 | (1,152)
Subtotal Commercial loans |  | 199,810 | 561,831
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 152,972 | 120,564
Net change on Balance | [1] | (26,075) | (9,953)
Transfer to Stage 1 |  |  | (117)
Transfer to Stage 2 |  | (7,558) | (10,380)
Transfer to Stage 3 |  | 90,275 | 67,750
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (1,446) | (8,587)
Foreign exchange adjustments |  | (3,719) | (6,305)
Subtotal Commercial loans |  | 204,449 | 152,972
Commercial loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 267,999 | 246,436
Net change on Balance | [1] | 13,863 | (13,173)
Transfer to Stage 1 |  | (4,133) | (2,650)
Transfer to Stage 2 |  | (72,871) | (50,867)
Transfer to Stage 3 |  | 179,780 | 135,084
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (62,107) | (46,614)
Foreign exchange adjustments |  | (407) | (217)
Subtotal Commercial loans |  | 322,124 | 267,999
Commercial loans [Member] | Gross Carrying Amount [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 1,636 | 615
Net change on Balance | [1] | 2,527 | 1,027
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (292) | (6)
Foreign exchange adjustments |  |  |
Subtotal Commercial loans |  | 3,871 | 1,636
Commercial loans [Member] | ECL [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 254,801 | 228,864
Net change on Balance | [1] | 227,433 | 35,779
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 42,641 | 29,160
Changes to models and assumptions |  | 29,881 | 18,386
Amounts written off |  | (69,193) | (55,698)
Foreign exchange adjustments |  | (4,173) | (1,690)
Subtotal Commercial loans |  | 481,390 | 254,801
Commercial loans [Member] | ECL [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 8,945 | 24,880
Net change on Balance | [1] | 26,720 | (14,709)
Transfer to Stage 1 |  | 3,278 | 9,699
Transfer to Stage 2 |  | (6,538) | (4,449)
Transfer to Stage 3 |  | (17) | (99)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (2,031) | (7,346)
Changes to models and assumptions |  | 15,097 | 944
Amounts written off |  |  |
Foreign exchange adjustments |  | (82) | 25
Subtotal Commercial loans |  | 45,372 | 8,945
Commercial loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 17,743 | 21,594
Net change on Balance | [1] | 26,706 | 3,915
Transfer to Stage 1 |  | 76,242 | 49,310
Transfer to Stage 2 |  | (16,158) | (19,312)
Transfer to Stage 3 |  | (1,000) | (1,050)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (55,735) | (36,508)
Changes to models and assumptions |  | 36,476 | (82)
Amounts written off |  | (77) | (55)
Foreign exchange adjustments |  | (42) | (69)
Subtotal Commercial loans |  | 84,155 | 17,743
Commercial loans [Member] | ECL [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 42,406 | 32,343
Net change on Balance | [1] | 110,560 | (3,240)
Transfer to Stage 1 |  | (3,278) | (9,606)
Transfer to Stage 2 |  | 7,431 | 7,184
Transfer to Stage 3 |  | (15,037) | (10,055)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 35,905 | 7,092
Changes to models and assumptions |  | (8,106) | 18,860
Amounts written off |  | (1,561) | (65)
Foreign exchange adjustments |  | (2,131) | (107)
Subtotal Commercial loans |  | 166,189 | 42,406
Commercial loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 31,527 | 21,167
Net change on Balance | [1] | 12,959 | 5,054
Transfer to Stage 1 |  | (75,140) | (48,694)
Transfer to Stage 2 |  | 32,656 | 28,065
Transfer to Stage 3 |  | (14,807) | (12,628)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 31,119 | 39,878
Changes to models and assumptions |  | (2,555) | (861)
Amounts written off |  | (3,710) | (371)
Foreign exchange adjustments |  | 54 | (83)
Subtotal Commercial loans |  | 12,103 | 31,527
Commercial loans [Member] | ECL [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 47,296 | 32,694
Net change on Balance | [1] | 7,313 | 7,859
Transfer to Stage 1 |  |  | (93)
Transfer to Stage 2 |  | (893) | (2,734)
Transfer to Stage 3 |  | 15,054 | 10,153
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 12,246 | 9,378
Changes to models and assumptions |  | 11,812 |
Amounts written off |  | (1,446) | (8,587)
Foreign exchange adjustments |  | (1,671) | (1,374)
Subtotal Commercial loans |  | 89,711 | 47,296
Commercial loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 106,609 | 95,887
Net change on Balance | [1] | 41,847 | 36,913
Transfer to Stage 1 |  | (1,102) | (616)
Transfer to Stage 2 |  | (16,498) | (8,754)
Transfer to Stage 3 |  | 15,807 | 13,679
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 21,137 | 16,666
Changes to models and assumptions |  | (22,816) | (470)
Amounts written off |  | (62,107) | (46,614)
Foreign exchange adjustments |  | (301) | (82)
Subtotal Commercial loans |  | 82,576 | 106,609
Commercial loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 275 | 299
Net change on Balance | [1] | 1,328 | (13)
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  | (27) | (5)
Amounts written off |  | (292) | (6)
Foreign exchange adjustments |  |  |
Subtotal Commercial loans |  | 1,284 | 275
Mortgage loans [Member] | Gross Carrying Amount [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 9,206,727 | 8,052,073
Net change on Balance | [1] | 194,308 | 1,162,444
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (13,663) | (7,790)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 9,387,372 | 9,206,727
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 8,209,100 | 6,893,619
Net change on Balance | [1] | 302,255 | 1,312,226
Transfer to Stage 1 |  | 1,456,154 | 1,516,595
Transfer to Stage 2 |  | (1,231,376) | (1,513,235)
Transfer to Stage 3 |  | (71,361) | (105)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (11) |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 8,664,761 | 8,209,100
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 822,524 | 993,085
Net change on Balance | [1] | (81,433) | (117,481)
Transfer to Stage 1 |  | (1,455,965) | (1,516,155)
Transfer to Stage 2 |  | 1,274,646 | 1,532,523
Transfer to Stage 3 |  | (153,543) | (69,448)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (4,232) |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 401,997 | 822,524
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 175,103 | 165,369
Net change on Balance | [1] | (26,928) | (32,301)
Transfer to Stage 1 |  | (189) | (440)
Transfer to Stage 2 |  | (43,270) | (19,288)
Transfer to Stage 3 |  | 224,904 | 69,553
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (9,420) | (7,790)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 320,200 | 175,103
Mortgage loans [Member] | Gross Carrying Amount [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] | 414 |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 414 |
Mortgage loans [Member] | ECL [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 43,708 | 34,330
Net change on Balance | [1] | 4,121 | 8,059
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 2,154 | 5,574
Changes to models and assumptions |  | (1,668) | 3,535
Amounts written off |  | (13,663) | (7,790)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 34,652 | 43,708
Mortgage loans [Member] | ECL [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 1,411 | 724
Net change on Balance | [1] | (317) | 739
Transfer to Stage 1 |  | 29,878 | 16,318
Transfer to Stage 2 |  | (1,244) | (742)
Transfer to Stage 3 |  | (243) |
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (28,455) | (15,913)
Changes to models and assumptions |  | 6,638 | 285
Amounts written off |  | (11) |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 7,657 | 1,411
Mortgage loans [Member] | ECL [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 29,363 | 16,895
Net change on Balance | [1] | (7,192) | 6,768
Transfer to Stage 1 |  | (29,859) | (16,281)
Transfer to Stage 2 |  | 4,951 | 2,239
Transfer to Stage 3 |  | (7,104) | (2,770)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 20,805 | 19,262
Changes to models and assumptions |  | (511) | 3,250
Amounts written off |  | (4,232) |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 6,221 | 29,363
Mortgage loans [Member] | ECL [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 12,934 | 16,711
Net change on Balance | [1] | 11,593 | 552
Transfer to Stage 1 |  | (19) | (37)
Transfer to Stage 2 |  | (3,707) | (1,497)
Transfer to Stage 3 |  | 7,347 | 2,770
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 9,804 | 2,225
Changes to models and assumptions |  | (7,788) |
Amounts written off |  | (9,420) | (7,790)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 20,744 | 12,934
Mortgage loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] | 37 |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  | (7) |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 30 |
Consumer loans [Member] | Gross Carrying Amount [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 4,532,333 | 4,436,161
Net change on Balance | [1] | (334,120) | 349,035
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (250,122) | (249,712)
Foreign exchange adjustments |  | 630 | (3,151)
Subtotal Consumer loans |  | 3,948,721 | 4,532,333
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 3,860,973 | 3,166,290
Net change on Balance | [1] | (243,577) | 493,973
Transfer to Stage 1 |  | 963,136 | 1,688,787
Transfer to Stage 2 |  | (1,216,941) | (1,472,886)
Transfer to Stage 3 |  | (68,493) | (12,204)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (122) | (120)
Foreign exchange adjustments |  | 526 | (2,867)
Subtotal Consumer loans |  | 3,295,502 | 3,860,973
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 372,814 | 975,898
Net change on Balance | [1] | (126,358) | (212,059)
Transfer to Stage 1 |  | (957,243) | (1,679,389)
Transfer to Stage 2 |  | 1,302,454 | 1,588,909
Transfer to Stage 3 |  | (264,083) | (299,286)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (3,272) | (978)
Foreign exchange adjustments |  | 128 | (281)
Subtotal Consumer loans |  | 324,440 | 372,814
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | Gross Carrying Amount [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 298,458 | 293,973
Net change on Balance | [1] | 34,201 | 67,033
Transfer to Stage 1 |  | (5,893) | (9,398)
Transfer to Stage 2 |  | (85,513) | (116,023)
Transfer to Stage 3 |  | 332,576 | 311,490
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (246,703) | (248,614)
Foreign exchange adjustments |  | (24) | (3)
Subtotal Consumer loans |  | 327,102 | 298,458
Consumer loans [Member] | Gross Carrying Amount [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 88 |
Net change on Balance | [1] | 1,614 | 88
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  | (25) |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  | 1,677 | 88
Consumer loans [Member] | ECL [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 350,724 | 322,184
Net change on Balance | [1] | 63,836 | 152,138
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 90,128 | 126,401
Changes to models and assumptions |  | 65,456 |
Amounts written off |  | (250,122) | (249,712)
Foreign exchange adjustments |  | 43 | (287)
Subtotal Consumer loans |  | 320,065 | 350,724
Consumer loans [Member] | ECL [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 98,536 | 49,273
Net change on Balance | [1] | (15,947) | 60,685
Transfer to Stage 1 |  | 189,887 | 243,865
Transfer to Stage 2 |  | (78,494) | (90,968)
Transfer to Stage 3 |  | (6,780) | (2,646)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (134,853) | (161,427)
Changes to models and assumptions |  | 93,176 |
Amounts written off |  | (122) | (120)
Foreign exchange adjustments |  | (4) | (126)
Subtotal Consumer loans |  | 145,399 | 98,536
Consumer loans [Member] | ECL [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 75,235 | 110,292
Net change on Balance | [1] | (34,347) | (48,295)
Transfer to Stage 1 |  | (187,255) | (240,444)
Transfer to Stage 2 |  | 117,252 | 129,954
Transfer to Stage 3 |  | (68,958) | (78,223)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 141,034 | 203,042
Changes to models and assumptions |  | 10,048 |
Amounts written off |  | (3,272) | (978)
Foreign exchange adjustments |  | 52 | (113)
Subtotal Consumer loans |  | 49,789 | 75,235
Consumer loans [Member] | ECL [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  |  |
Net change on Balance | [1] |  |
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 176,909 | 162,619
Net change on Balance | [1] | 113,480 | 139,704
Transfer to Stage 1 |  | (2,632) | (3,421)
Transfer to Stage 2 |  | (38,758) | (38,986)
Transfer to Stage 3 |  | 75,738 | 80,869
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 83,947 | 84,786
Changes to models and assumptions |  | (37,619) |
Amounts written off |  | (246,703) | (248,614)
Foreign exchange adjustments |  | (5) | (48)
Subtotal Consumer loans |  | 124,357 | 176,909
Consumer loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Balance |  | 44 |
Net change on Balance | [1] | 650 | 44
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  |  |
Transfer to Stage 3 |  |  |
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Changes to models and assumptions |  | (149) |
Amounts written off |  | (25) |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  | 520 | 44
Loans To Customers [Member] | Gross Carrying Amount [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 30,937,690 | 30,033,272
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 8,918,334 | 9,880,799
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 16,251,461 | 15,439,567
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 3,661,811 | 2,059,481
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 926,247 | 1,757,169
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 204,449 | 152,972
Loans To Customers [Member] | Gross Carrying Amount [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 969,426 | 741,560
Loans To Customers [Member] | Gross Carrying Amount [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 5,962 | 1,724
Loans To Customers [Member] | ECL [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 836,107 | 649,233
Loans To Customers [Member] | ECL [Member] | Stage 1 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 45,372 | 8,945
Loans To Customers [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 237,211 | 117,690
Loans To Customers [Member] | ECL [Member] | Stage 2 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 166,189 | 42,406
Loans To Customers [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 68,113 | 136,125
Loans To Customers [Member] | ECL [Member] | Stage 3 - Individual [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 89,711 | 47,296
Loans To Customers [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | 227,677 | 296,452
Loans To Customers [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at Amortized Costs |  |  |
Total |  | $ 1,834 | $ 319
[1] | Net change between assets originated and assets repaid, excluding write offs.
[2] | Represents the change in the year-end ECLs of exposures that were transferred from one stage to another during the year.

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- Definition The increase (decrease) in financial assets resulting from foreign exchange. + References No definition available. + Details
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- Definition The increase (decrease) in financial assets. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
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- Definition The increase (decrease) in financial assets resulting from transfers to Stage 2. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
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- Definition Loans to customers at amortized cost. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The Amount of impairment for loans subtotal commercial loans. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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Namespace Prefix: |
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- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=bch_MortgageloansMember
Namespace Prefix: |
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