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Provisions - Analysis of changes in exposures - Issued foreign letters of credit (Details) - Issued foreign letters of credit $ in Millions | 12 Months Ended
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Dec. 31, 2018 CLP ($)
Contingencies and Commitments |
Exposure as at beginning of period | $ 94,313
Total | 388,396
12-month expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Total | 344,874
12-month expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Total | 1,585
Lifetime expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Total | 41,823
Lifetime expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Total | 114
Gross Balance |
Contingencies and Commitments |
Exposure as at beginning of period | 94,313
Net change on exposures | 283,384
Foreign exchange adjustments | 10,699
Total | 388,396
Gross Balance | 12-month expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Exposure as at beginning of period | 80,106
Net change on exposures | 262,824
Transfer to Stage 1 | 6,268
Transfer to Stage 2 | (13,420)
Foreign exchange adjustments | 9,096
Total | 344,874
Gross Balance | 12-month expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Exposure as at beginning of period | 1,737
Net change on exposures | 832
Transfer to Stage 2 | (1,098)
Foreign exchange adjustments | 114
Total | 1,585
Gross Balance | Lifetime expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Exposure as at beginning of period | 11,984
Net change on exposures | 21,226
Transfer to Stage 1 | (6,268)
Transfer to Stage 2 | 13,420
Foreign exchange adjustments | 1,461
Total | 41,823
Gross Balance | Lifetime expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Exposure as at beginning of period | 486
Net change on exposures | (1,498)
Transfer to Stage 2 | 1,098
Foreign exchange adjustments | 28
Total | 114
Accumulated Amortization |
Contingencies and Commitments |
Exposure as at beginning of period | 49
Net change on exposures | 44
Impact on year end ECL of exposures transferred between stages during the year | (4)
Foreign exchange adjustments | 4
Total | 93
Accumulated Amortization | 12-month expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Exposure as at beginning of period | 43
Net change on exposures | 38
Transfer to Stage 2 | (6)
Impact on year end ECL of exposures transferred between stages during the year | 4
Foreign exchange adjustments | 4
Total | 83
Accumulated Amortization | 12-month expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Exposure as at beginning of period | 6
Net change on exposures | 7
Transfer to Stage 2 | (3)
Total | 10
Accumulated Amortization | Lifetime expected credit losses | Financial instruments not credit-impaired | Individual |
Contingencies and Commitments |
Transfer to Stage 2 | 6
Impact on year end ECL of exposures transferred between stages during the year | (6)
Accumulated Amortization | Lifetime expected credit losses | Financial instruments not credit-impaired | Group |
Contingencies and Commitments |
Net change on exposures | (1)
Transfer to Stage 2 | 3
Impact on year end ECL of exposures transferred between stages during the year | $ (2)

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