| Portfolio by its impaired and non-impaired status. |
| As of December 31, 2017 | ||||||||||||
| Non-impaired | Impaired | Portfolio total | ||||||||||
| Commercial | Mortgage | Consumer | Total non impaired |
Commercial | Mortgage | Consumer | Total impaired |
Commercial | Mortgage | Consumer | Total portfolio | |
| MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | |
| Current portfolio | 12,737,508 | 8,357,733 | 4,012,489 | 25,107,730 | 449,895 | 158,770 | 110,184 | 718,849 | 13,187,403 | 8,516,503 | 4,122,673 | 25,826,579 |
| Overdue for 1-29 days | 103,908 | 180,294 | 132,136 | 416,338 | 110,834 | 74,072 | 46,283 | 231,189 | 214,742 | 254,366 | 178,419 | 647,527 |
| Overdue for 30-89 days | 53,723 | 96,324 | 85,941 | 235,988 | 89,806 | 70,437 | 78,118 | 238,361 | 143,529 | 166,761 | 164,059 | 474,349 |
| Overdue for 90 days or more | - | - | - | - | 362,968 | 159,265 | 92,541 | 614,774 | 362,968 | 159,265 | 92,541 | 614,774 |
| Total portfolio before allowances | 12,895,139 | 8,634,351 | 4,230,566 | 25,760,056 | 1,013,503 | 462,544 | 327,126 | 1,803,173 | 13,908,642 | 9,096,895 | 4,557,692 | 27,563,229 |
| Overdue loans (less than 90 days) presented as portfolio percentage | 1.22% | 3.20% | 5.15% | 2.53% | 19.80% | 31.24% | 38.03% | 26.04% | 2.58% | 4.63% | 7.51% | 4.07% |
| Overdue loans (90 days or more) presented as portfolio percentage. | - | - | - | - | 35.81% | 34.43% | 28.29% | 34.09% | 2.61% | 1.75% | 2.03% | 2.23% |
| As of December 31, 2016 | ||||||||||||
| Non-impaired | Impaired | Portfolio total | ||||||||||
| Commercial | Mortgage | Consumer | Total non impaired |
Commercial | Mortgage | Consumer | Total impaired |
Commercial | Mortgage | Consumer | Total portfolio | |
| MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | |
| Current portfolio | 12,765,961 | 7,944,260 | 3,957,566 | 24,667,787 | 463,176 | 133,816 | 100,670 | 697,662 | 13,229,137 | 8,078,076 | 4,058,236 | 25,365,449 |
| Overdue for 1-29 days | 97,302 | 69,227 | 113,031 | 279,560 | 35,777 | 12,984 | 32,536 | 81,297 | 133,079 | 82,211 | 145,567 | 360,857 |
| Overdue for 30-89 days | 75,033 | 208,181 | 87,622 | 370,836 | 118,461 | 105,804 | 70,920 | 295,185 | 193,494 | 313,985 | 158,542 | 666,021 |
| Overdue for 90 days or more | - | - | - | - | 311,755 | 145,084 | 84,458 | 541,297 | 311,755 | 145,084 | 84,458 | 541,297 |
| Total portfolio before allowances | 12,938,296 | 8,221,668 | 4,158,219 | 25,318,183 | 929,169 | 397,688 | 288,584 | 1,615,441 | 13,867,465 | 8,619,356 | 4,446,803 | 26,933,624 |
| Overdue loans (less than 90 days) presented as portfolio percentage | 1.33% | 3.37% | 4.83% | 2.57% | 16.60% | 29.87% | 35.85% | 23.31% | 2.35% | 4.60% | 6.84% | 3.81% |
| Overdue loans (90 days or more) presented as portfolio percentage. | - | - | - | - | 33.55% | 36.48% | 29.27% | 33.51% | 2.25% | 1.68% | 1.90% | 2.01% |