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Provisions for Loan Losses | 12 Months Ended
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Dec. 31, 2017
Provisions for Loan Losses |
Provisions for Loan Losses | 33. Provisions for Loan Losses: The changes during 2015, 2016 and 2017 are the following:
|  | Loans and |  | Loans to customers as of December 31, 2015 |  |  |  |  |  |  |
|  | advance to banks |  | Commercial loans |  | Mortgage loans |  | Consumer loans |  | Total |  | Financial Guarantees |  | Total |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Provisions established: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | — |  | (53,946 | ) | — |  | — |  | (53,946 | ) | (3,723 | ) | (57,669 | )
Group provisions |  | — |  | (40,094 | ) | (8,537 | ) | (204,225 | ) | (252,856 | ) | (1,413 | ) | (254,269 | )
Provisions established net |  | — |  | (94,040 | ) | (8,537 | ) | (204,225 | ) | (306,802 | ) | (5,136 | ) | (311,938 | )
Provisions released: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | 463 |  | — |  | — |  | — |  | — |  | 12,304 |  | 12,767 |
Group provisions |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Provisions released net |  | 463 |  | — |  | — |  | — |  | — |  | 12,304 |  | 12,767 |
Recovery of written-off assets |  | — |  | 18,011 |  | 1,895 |  | 33,043 |  | 52,949 |  | — |  | 52,949 |
Provisions net allowances for credit risk |  | 463 |  | (76,029 | ) | (6,642 | ) | (171,182 | ) | (253,853 | ) | 7,168 |  | (246,222 | )
|  | Loans and |  | Loans to customers as of December 31, 2016 |  |  |  |  |  |  |
|  | advance to banks |  | Commercial loans |  | Mortgage loans |  | Consumer loans |  | Total |  | Financial Guarantees |  | Total |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Provisions established: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | — |  | — |  | — |  | — |  | — |  | (5,944 | ) | (5,944 | )
Group provisions |  | — |  | (45,462 | ) | (6,932 | ) | (261,838 | ) | (314,232 | ) | — |  | (314,232 | )
Provisions established net |  | — |  | (45,462 | ) | (6,932 | ) | (261,838 | ) | (314,232 | ) | (5,944 | ) | (320,176 | )
Provisions released: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | 94 |  | 7,924 |  | — |  | — |  | 7,924 |  | 2,575 |  | 10,593 |
Group provisions |  | — |  | — |  | — |  | — |  | — |  | 3,478 |  | 3,478 |
Provisions released net |  | 94 |  | 7,924 |  | — |  | — |  | 7,924 |  | 6,053 |  | 14,071 |
Recovery of written-off assets |  | — |  | 13,017 |  | 2,350 |  | 31,475 |  | 46,842 |  | — |  | 46,842 |
Provisions net allowances for credit risk |  | 94 |  | (24,521 | ) | (4,582 | ) | (230,363 | ) | (259,466 | ) | 109 |  | (259,263 | )
|  | Loans and |  | Loans to customers as of December 31, 2017 |  |  |  |  |  |  |
|  | advance to banks |  | Commercial loans |  | Mortgage loans |  | Consumer loans |  | Total |  | Financial Guarantees |  | Total |
|  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |  | MCh$ |
Provisions established: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | (5 | ) | — |  | — |  | — |  | — |  | — |  | (5 | )
Group provisions |  | — |  | (47,837 | ) | (4,361 | ) | (247,810 | ) | (300,008 | ) | (3,131 | ) | (303,139 | )
Provisions established net |  | (5 | ) | (47,837 | ) | (4,361 | ) | (247,810 | ) | (300,008 | ) | (3,131 | ) | (303,144 | )
Provisions released: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual provisions |  | — |  | 28,571 |  | — |  | — |  | 28,571 |  | 3,841 |  | 32,412 |
Group provisions |  | — |  | — |  | — |  | — |  | — |  | — |  | — |
Provisions released net |  | — |  | 28,571 |  | — |  | — |  | 28,571 |  | 3,841 |  | 32,412 |
Recovery of written-off assets |  | — |  | 13,750 |  | 3,246 |  | 32,481 |  | 49,477 |  | — |  | 49,477 |
Provisions net allowances for credit risk |  | (5 | ) | (5,516 | ) | (1,115 | ) | (215,329 | ) | (221,960 | ) | 710 |  | (221,255 | )

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