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v3.20.1

Provisions - Performance Guarantees - ECL Exposures (Details) - Performance guarantees [Member] - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | $ 4,080 | $ 3,676
Net change on exposures | (659) | 301
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 | 473 | 48
Changes to models and assumptions | 137 |
Foreign exchange adjustments | 6 | 55
Exposure as at ending of period | 4,037 | 4,080
Stage 1 - Individual [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | 2,308 | 1,841
Net change on exposures | (1,717) | 664
Transfer to Stage 1 | 287 |
Transfer to Stage 2 | (249) | (439)
Transfer to Stage 3 | (2) |
Impact on year-end ECL of exposures transferred between stages during the year | (18) | 209
Changes to models and assumptions | (15) |
Foreign exchange adjustments | 7 | 33
Exposure as at ending of period | 601 | 2,308
Stage 1 - Group [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | 509 | 384
Net change on exposures | (178) | 73
Transfer to Stage 1 | 20 | 18
Transfer to Stage 2 | (233) | (87)
Transfer to Stage 3 | (22) | (80)
Impact on year-end ECL of exposures transferred between stages during the year | 182 | 200
Changes to models and assumptions |  |
Foreign exchange adjustments | (1) | 1
Exposure as at ending of period | 277 | 509
Stage 2 - Individual [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | 765 | 947
Net change on exposures | 767 | (113)
Transfer to Stage 1 | (287) |
Transfer to Stage 2 | 919 | 442
Transfer to Stage 3 | (192) | (86)
Impact on year-end ECL of exposures transferred between stages during the year | (684) | (444)
Changes to models and assumptions | 152 |
Foreign exchange adjustments |  | 19
Exposure as at ending of period | 1,440 | 765
Stage 2 - Group [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period |  |
Net change on exposures | 789 | (2)
Transfer to Stage 1 | (20) |
Transfer to Stage 2 | 233 | 90
Transfer to Stage 3 | (17) |
Impact on year-end ECL of exposures transferred between stages during the year | (231) | (88)
Changes to models and assumptions |  |
Foreign exchange adjustments |  |
Exposure as at ending of period | 754 |
Stage 3 - Individual [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | 495 | 470
Net change on exposures | (791) | (310)
Transfer to Stage 1 |  |
Transfer to Stage 2 | (670) | (3)
Transfer to Stage 3 | 194 | 86
Impact on year-end ECL of exposures transferred between stages during the year | 1,263 | 250
Changes to models and assumptions |  |
Foreign exchange adjustments |  | 2
Exposure as at ending of period | 491 | 495
Stage 3 - Group [Member] |  |
Disclosure of other provisions [line items] |  |
Exposure as at beginning of period | 3 | 34
Net change on exposures | 471 | (11)
Transfer to Stage 1 |  | (18)
Transfer to Stage 2 |  | (3)
Transfer to Stage 3 | 39 | 80
Impact on year-end ECL of exposures transferred between stages during the year | (39) | (79)
Changes to models and assumptions |  |
Foreign exchange adjustments |  |
Exposure as at ending of period | $ 474 | $ 3

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