| r0.1 | label_boi_a2/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r0.2 | label_boi_a2/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r0.3 | label_boi_a2/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r1.1 | The effect of changes in the interest rates on the adjusted net fair value1 of the bank and its consolidated companies/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r1.2 | The effect of changes in the interest rates on the adjusted net fair value1 of the bank and its consolidated companies/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r1.3 | The effect of changes in the interest rates on the adjusted net fair value1 of the bank and its consolidated companies/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r2.1 | Parallel changes/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r2.2 | Parallel changes/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r2.3 | Parallel changes/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| 3.1 | A parallel increase of 1%/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | N/A | boi_RP:x24 |
| 3.2 | A parallel increase of 1%/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | N/A | boi_RP:x24 |
| 3.3 | A parallel increase of 1%/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | N/A | boi_RP:x24 |
| 4.1 | of which: banking portfolio/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | boi_PL:x66 | boi_RP:x24 |
| 4.2 | of which: banking portfolio/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | boi_PL:x66 | boi_RP:x24 |
| 4.3 | of which: banking portfolio/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x1 | boi_PL:x66 | boi_RP:x24 |
| 5.1 | A parallel decline of 1%/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | N/A | boi_RP:x24 |
| 5.2 | A parallel decline of 1%/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | N/A | boi_RP:x24 |
| 5.3 | A parallel decline of 1%/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | N/A | boi_RP:x24 |
| 6.1 | of which: banking portfolio/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | boi_PL:x66 | boi_RP:x24 |
| 6.2 | of which: banking portfolio/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | boi_PL:x66 | boi_RP:x24 |
| 6.3 | of which: banking portfolio/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x3 | boi_PL:x66 | boi_RP:x24 |
| r7.1 | Non-parallel changes/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r7.2 | Non-parallel changes/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| r7.3 | Non-parallel changes/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| 7.1 | Steepening/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x70 | N/A | boi_RP:x24 |
| 7.2 | Steepening/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x70 | N/A | boi_RP:x24 |
| 7.3 | Steepening/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x70 | N/A | boi_RP:x24 |
| 8.1 | Leveling/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x71 | N/A | boi_RP:x24 |
| 8.2 | Leveling/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x71 | N/A | boi_RP:x24 |
| 8.3 | Leveling/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x71 | N/A | boi_RP:x24 |
| 9.1 | Interest rate increase in the short term/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| 9.2 | Interest rate increase in the short term/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| 9.3 | Interest rate increase in the short term/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | N/A | N/A | boi_RP:x24 |
| 10.1 | Interest rate decline in the short term/NIS | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x14 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x73 | N/A | boi_RP:x24 |
| 10.2 | Interest rate decline in the short term/Foreign currency | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | boi_CU:x15 | N/A | boi_EF:x7 | boi_FN:x1 | boi_PI:x73 | N/A | boi_RP:x24 |
| 10.3 | Interest rate decline in the short term/Total | boi_met:mi14 | xbrli:monetaryItemType | instant | boi_BC:x13 | boi_CS:x2 | N/A | boi_EF:x3 | boi_EF:x7 | boi_FN:x1 | boi_PI:x73 | N/A | boi_RP:x24 |