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v3.22.1

Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Commercial loans [Member] | Gross carrying amount [member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | $ 8,918,334 | $ 9,880,799
Net change on Balance | [1] | 1,750,645 | 786,574
Transfer to Stage 1 |  | 797,576 | 501,608
Transfer to Stage 2 |  | (721,413) | (2,224,652)
Transfer to Stage 3 |  | (2,720) | (5,865)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  | 226,459 | (20,130)
Subtotal Commercial loans |  | 10,968,881 | 8,918,334
Commercial loans [Member] | Gross carrying amount [member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 4,291,198 | 3,369,494
Net change on Balance | [1] | 390,327 | 551,556
Transfer to Stage 1 |  | 767,931 | 1,640,602
Transfer to Stage 2 |  | (858,851) | (1,236,055)
Transfer to Stage 3 |  | (19,103) | (32,996)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (27) | (77)
Foreign exchange adjustments |  | 7,719 | (1,326)
Subtotal Commercial loans |  | 4,579,194 | 4,291,198
Commercial loans [Member] | Gross carrying amount [member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 3,661,811 | 2,059,481
Net change on Balance | [1] | (209,088) | 17,987
Transfer to Stage 1 |  | (797,576) | (501,608)
Transfer to Stage 2 |  | 732,462 | 2,232,210
Transfer to Stage 3 |  | (32,441) | (84,410)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  | (1,561)
Foreign exchange adjustments |  | 104,547 | (60,288)
Subtotal Commercial loans |  | 3,459,715 | 3,661,811
Commercial loans [Member] | Gross carrying amount [member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 199,810 | 561,831
Net change on Balance | [1] | (51,073) | 114,618
Transfer to Stage 1 |  | (767,917) | (1,636,469)
Transfer to Stage 2 |  | 921,908 | 1,308,926
Transfer to Stage 3 |  | (88,525) | (146,784)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (156) | (3,710)
Foreign exchange adjustments |  | 229 | 1,398
Subtotal Commercial loans |  | 214,276 | 199,810
Commercial loans [Member] | Gross carrying amount [member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 204,449 | 152,972
Net change on Balance | [1] | (44,630) | (26,075)
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  | (11,049) | (7,558)
Transfer to Stage 3 |  | 35,162 | 90,275
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (25,470) | (1,446)
Foreign exchange adjustments |  | 9,171 | (3,719)
Subtotal Commercial loans |  | 167,633 | 204,449
Commercial loans [Member] | Gross carrying amount [member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 322,124 | 267,999
Net change on Balance | [1] | (29,657) | 13,863
Transfer to Stage 1 |  | (14) | (4,133)
Transfer to Stage 2 |  | (63,057) | (72,871)
Transfer to Stage 3 |  | 107,627 | 179,780
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (57,398) | (62,107)
Foreign exchange adjustments |  | 688 | (407)
Subtotal Commercial loans |  | 280,313 | 322,124
Commercial loans [Member] | Gross carrying amount [member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 3,871 | 1,636
Net change on Balance | [1] | (467) | 2,527
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (1,084) | (292)
Foreign exchange adjustments |  |  |
Subtotal Commercial loans |  | 2,320 | 3,871
Commercial loans [Member] | ECL [Member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 45,372 | 8,945
Net change on Balance | [1] | (13,624) | 26,720
Transfer to Stage 1 |  | 5,149 | 3,278
Transfer to Stage 2 |  | (3,268) | (6,538)
Transfer to Stage 3 |  | (12) | (17)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (2,627) | (2,031)
Refinements to models used for calculation |  | (995) | 15,097
Amounts written off |  |  |
Foreign exchange adjustments |  | 686 | (82)
Subtotal Commercial loans |  | 30,681 | 45,372
Commercial loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 84,155 | 17,743
Net change on Balance | [1] | 9,809 | 26,706
Transfer to Stage 1 |  | 40,313 | 76,242
Transfer to Stage 2 |  | (16,615) | (16,158)
Transfer to Stage 3 |  | (892) | (1,000)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (28,741) | (55,735)
Refinements to models used for calculation |  | (30,368) | 36,476
Amounts written off |  | (27) | (77)
Foreign exchange adjustments |  | 331 | (42)
Subtotal Commercial loans |  | 57,965 | 84,155
Commercial loans [Member] | ECL [Member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 166,189 | 42,406
Net change on Balance | [1] | (70,947) | 110,560
Transfer to Stage 1 |  | (5,149) | (3,278)
Transfer to Stage 2 |  | 4,870 | 7,431
Transfer to Stage 3 |  | (5,785) | (15,037)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 9,793 | 35,905
Refinements to models used for calculation |  | (7,357) | (8,106)
Amounts written off |  |  | (1,561)
Foreign exchange adjustments |  | 2,725 | (2,131)
Subtotal Commercial loans |  | 94,339 | 166,189
Commercial loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 12,103 | 31,527
Net change on Balance | [1] | (220) | 12,959
Transfer to Stage 1 |  | (40,307) | (75,140)
Transfer to Stage 2 |  | 26,896 | 32,656
Transfer to Stage 3 |  | (12,720) | (14,807)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 26,879 | 31,119
Refinements to models used for calculation |  | (4,188) | (2,555)
Amounts written off |  | (156) | (3,710)
Foreign exchange adjustments |  | 19 | 54
Subtotal Commercial loans |  | 8,306 | 12,103
Commercial loans [Member] | ECL [Member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 89,711 | 47,296
Net change on Balance | [1] | (24,393) | 7,313
Transfer to Stage 1 |  |  |
Transfer to Stage 2 |  | (1,602) | (893)
Transfer to Stage 3 |  | 5,797 | 15,054
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 7,344 | 12,246
Refinements to models used for calculation |  | 2,415 | 11,812
Amounts written off |  | (25,470) | (1,446)
Foreign exchange adjustments |  | 2,352 | (1,671)
Subtotal Commercial loans |  | 56,154 | 89,711
Commercial loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 82,576 | 106,609
Net change on Balance | [1] | 40,040 | 41,847
Transfer to Stage 1 |  | (6) | (1,102)
Transfer to Stage 2 |  | (10,281) | (16,498)
Transfer to Stage 3 |  | 13,612 | 15,807
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 6,553 | 21,137
Refinements to models used for calculation |  | (4,912) | (22,816)
Amounts written off |  | (57,398) | (62,107)
Foreign exchange adjustments |  | 410 | (301)
Subtotal Commercial loans |  | 70,594 | 82,576
Commercial loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 1,284 | 275
Net change on Balance | [1] | 458 | 1,328
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] |  |
Refinements to models used for calculation |  | 144 | (27)
Amounts written off |  | (1,084) | (292)
Foreign exchange adjustments |  |  |
Subtotal Commercial loans |  | 802 | 1,284
Commercial loans [Member] | Gross carrying amount [member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 17,601,597 | 16,294,212
Net change on Balance | [1] | 1,806,057 | 1,461,050
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (84,135) | (69,193)
Foreign exchange adjustments |  | 348,813 | (84,472)
Subtotal Commercial loans |  | 19,672,332 | 17,601,597
Commercial loans [Member] | ECL [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 481,390 | 254,801
Net change on Balance | [1] | (58,877) | 227,433
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] | 19,201 | 42,641
Refinements to models used for calculation |  | (45,261) | 29,881
Amounts written off |  | (84,135) | (69,193)
Foreign exchange adjustments |  | 6,523 | (4,173)
Subtotal Commercial loans |  | 318,841 | 481,390
Mortgage loans [Member] | Gross carrying amount [member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 8,664,761 | 8,209,100
Net change on Balance | [1] | 1,011,262 | 302,255
Transfer to Stage 1 |  | 1,221,879 | 1,456,154
Transfer to Stage 2 |  | (1,281,402) | (1,231,376)
Transfer to Stage 3 |  | (7,604) | (71,361)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (24) | (11)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 9,608,872 | 8,664,761
Mortgage loans [Member] | Gross carrying amount [member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 401,997 | 822,524
Net change on Balance | [1] | (11,005) | (81,433)
Transfer to Stage 1 |  | (1,221,879) | (1,455,965)
Transfer to Stage 2 |  | 1,332,093 | 1,274,646
Transfer to Stage 3 |  | (51,395) | (153,543)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (7) | (4,232)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 449,804 | 401,997
Mortgage loans [Member] | Gross carrying amount [member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 320,200 | 175,103
Net change on Balance | [1] | (30,009) | (26,928)
Transfer to Stage 1 |  |  | (189)
Transfer to Stage 2 |  | (50,691) | (43,270)
Transfer to Stage 3 |  | 58,999 | 224,904
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (10,681) | (9,420)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 287,818 | 320,200
Mortgage loans [Member] | Gross carrying amount [member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 414 |
Net change on Balance | [1] | (380) | 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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 34 | 414
Mortgage loans [Member] | ECL [Member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 7,657 | 1,411
Net change on Balance | [1] | (1,521) | (317)
Transfer to Stage 1 |  | 18,069 | 29,878
Transfer to Stage 2 |  | (2,077) | (1,244)
Transfer to Stage 3 |  | (53) | (243)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (15,782) | (28,455)
Refinements to models used for calculation |  | 1,997 | 6,638
Amounts written off |  | (24) | (11)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 8,266 | 7,657
Mortgage loans [Member] | ECL [Member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 6,221 | 29,363
Net change on Balance | [1] | 1,118 | (7,192)
Transfer to Stage 1 |  | (18,069) | (29,859)
Transfer to Stage 2 |  | 4,084 | 4,951
Transfer to Stage 3 |  | (4,240) | (7,104)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 19,309 | 20,805
Refinements to models used for calculation |  | 3,699 | (511)
Amounts written off |  | (7) | (4,232)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 12,115 | 6,221
Mortgage loans [Member] | ECL [Member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  |  |
Mortgage loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 20,744 | 12,934
Net change on Balance | [1] | 6,758 | 11,593
Transfer to Stage 1 |  |  | (19)
Transfer to Stage 2 |  | (2,007) | (3,707)
Transfer to Stage 3 |  | 4,293 | 7,347
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (1,159) | 9,804
Refinements to models used for calculation |  | 653 | (7,788)
Amounts written off |  | (10,681) | (9,420)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 18,601 | 20,744
Mortgage loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 30 |
Net change on Balance | [1] | (28) | 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] |  |
Refinements to models used for calculation |  | 2 | (7)
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 4 | 30
Mortgage loans [Member] | Gross carrying amount [member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 9,387,372 | 9,206,727
Net change on Balance | [1] | 969,868 | 194,308
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (10,712) | (13,663)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 10,346,528 | 9,387,372
Mortgage loans [Member] | ECL [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 34,652 | 43,708
Net change on Balance | [1] | 6,327 | 4,121
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] | 2,368 | 2,154
Refinements to models used for calculation |  | 6,351 | (1,668)
Amounts written off |  | (10,712) | (13,663)
Foreign exchange adjustments |  |  |
Subtotal Mortgage loans |  | 38,986 | 34,652
Consumer loans [Member] | Gross carrying amount [member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 3,295,502 | 3,860,973
Net change on Balance | [1] | 543,272 | (243,577)
Transfer to Stage 1 |  | 787,325 | 963,136
Transfer to Stage 2 |  | (879,653) | (1,216,941)
Transfer to Stage 3 |  | (12,205) | (68,493)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (46) | (122)
Foreign exchange adjustments |  | 5,692 | 526
Subtotal Consumer loans |  | 3,739,887 | 3,295,502
Consumer loans [Member] | Gross carrying amount [member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 324,440 | 372,814
Net change on Balance | [1] | (67,751) | (126,358)
Transfer to Stage 1 |  | (787,325) | (957,243)
Transfer to Stage 2 |  | 943,398 | 1,302,454
Transfer to Stage 3 |  | (124,873) | (264,083)
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (291) | (3,272)
Foreign exchange adjustments |  | 216 | 128
Subtotal Consumer loans |  | 287,814 | 324,440
Consumer loans [Member] | Gross carrying amount [member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
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 cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 327,102 | 298,458
Net change on Balance | [1] | (36,418) | 34,201
Transfer to Stage 1 |  |  | (5,893)
Transfer to Stage 2 |  | (63,745) | (85,513)
Transfer to Stage 3 |  | 137,078 | 332,576
Impact on year-end ECL of exposures transferred between stages during the year | [2] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (146,024) | (246,703)
Foreign exchange adjustments |  | 36 | (24)
Subtotal Consumer loans |  | 218,029 | 327,102
Consumer loans [Member] | Gross carrying amount [member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 1,677 | 88
Net change on Balance | [1] | (381) | 1,614
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (13) | (25)
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  | 1,283 | 1,677
Consumer loans [Member] | ECL [Member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 145,399 | 98,536
Net change on Balance | [1] | 36,335 | (15,947)
Transfer to Stage 1 |  | 117,574 | 189,887
Transfer to Stage 2 |  | (57,076) | (78,494)
Transfer to Stage 3 |  | (1,485) | (6,780)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | (76,550) | (134,853)
Refinements to models used for calculation |  | (10,338) | 93,176
Amounts written off |  | (46) | (122)
Foreign exchange adjustments |  | 181 | (4)
Subtotal Consumer loans |  | 153,994 | 145,399
Consumer loans [Member] | ECL [Member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 49,789 | 75,235
Net change on Balance | [1] | (6,166) | (34,347)
Transfer to Stage 1 |  | (117,574) | (187,255)
Transfer to Stage 2 |  | 79,524 | 117,252
Transfer to Stage 3 |  | (46,739) | (68,958)
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 91,107 | 141,034
Refinements to models used for calculation |  | (561) | 10,048
Amounts written off |  | (291) | (3,272)
Foreign exchange adjustments |  | 20 | 52
Subtotal Consumer loans |  | 49,109 | 49,789
Consumer loans [Member] | ECL [Member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  |  |
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  |  |
Consumer loans [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 124,357 | 176,909
Net change on Balance | [1] | 71,045 | 113,480
Transfer to Stage 1 |  |  | (2,632)
Transfer to Stage 2 |  | (22,448) | (38,758)
Transfer to Stage 3 |  | 48,224 | 75,738
Impact on year-end ECL of exposures transferred between stages during the year | [2] | 12,985 | 83,947
Refinements to models used for calculation |  | 23,657 | (37,619)
Amounts written off |  | (146,024) | (246,703)
Foreign exchange adjustments |  | 8 | (5)
Subtotal Consumer loans |  | 111,804 | 124,357
Consumer loans [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 520 | 44
Net change on Balance | [1] | (83) | 650
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] |  |
Refinements to models used for calculation |  | 338 | (149)
Amounts written off |  | (13) | (25)
Foreign exchange adjustments |  |  |
Subtotal Consumer loans |  | 762 | 520
Consumer loans [Member] | Gross carrying amount [member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 3,948,721 | 4,532,333
Net change on Balance | [1] | 438,722 | (334,120)
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] |  |
Refinements to models used for calculation |  |  |
Amounts written off |  | (146,374) | (250,122)
Foreign exchange adjustments |  | 5,944 | 630
Subtotal Consumer loans |  | 4,247,013 | 3,948,721
Consumer loans [Member] | ECL [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Balance |  | 320,065 | 350,724
Net change on Balance | [1] | 101,131 | 63,836
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] | 27,542 | 90,128
Refinements to models used for calculation |  | 13,096 | 65,456
Amounts written off |  | (146,374) | (250,122)
Foreign exchange adjustments |  | 209 | 43
Subtotal Consumer loans |  | 315,669 | 320,065
Loans To Customers [Member] | Gross carrying amount [member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 10,968,881 | 8,918,334
Loans To Customers [Member] | Gross carrying amount [member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 17,927,953 | 16,251,461
Loans To Customers [Member] | Gross carrying amount [member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 3,459,715 | 3,661,811
Loans To Customers [Member] | Gross carrying amount [member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 951,894 | 926,247
Loans To Customers [Member] | Gross carrying amount [member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 167,633 | 204,449
Loans To Customers [Member] | Gross carrying amount [member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 786,160 | 969,426
Loans To Customers [Member] | Gross carrying amount [member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 3,637 | 5,962
Loans To Customers [Member] | ECL [Member] | Stage 1 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 30,681 | 45,372
Loans To Customers [Member] | ECL [Member] | Stage 1 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 220,225 | 237,211
Loans To Customers [Member] | ECL [Member] | Stage 2 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 94,339 | 166,189
Loans To Customers [Member] | ECL [Member] | Stage 2 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 69,530 | 68,113
Loans To Customers [Member] | ECL [Member] | Stage 3 Individual [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 56,154 | 89,711
Loans To Customers [Member] | ECL [Member] | Stage 3 - Group [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 200,999 | 227,677
Loans To Customers [Member] | ECL [Member] | POCI [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 1,568 | 1,834
Loans To Customers [Member] | Gross carrying amount [member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | 34,265,873 | 30,937,690
Loans To Customers [Member] | ECL [Member] |  |  |
Loans to Customers at amortized cost (Details) - Schedule of change in gross carrying amount and ECL allowances [Line Items] |  |  |
Total |  | $ 673,496 | $ 836,107
[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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Data Type: | xbrli:monetaryItemType
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Data Type: | xbrli:monetaryItemType
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Namespace Prefix: | bch_
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Namespace Prefix: | bch_
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