| r0.1 | label_boi_a2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | N/A | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r0.2 | label_boi_a2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | N/A | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r0.3 | label_boi_a2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | N/A | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r0.4 | label_boi_a2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | N/A | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r0.7 | label_boi_a2/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | N/A | boi_RT:x10 | N/A | N/A | N/A |
| r0.5 | label_boi_a2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | N/A | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r0.6 | label_boi_a2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | N/A | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r1.1 | NIS/FX futures contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r1.2 | NIS/FX futures contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r1.3 | NIS/FX futures contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r1.4 | NIS/FX futures contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r1.7 | NIS/FX futures contracts, by counterparty:/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r1.5 | NIS/FX futures contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r1.6 | NIS/FX futures contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 1.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 1.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 1.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 1.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 1.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 1.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 1.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 2.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 2.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 2.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 2.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 2.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 2.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 2.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 3.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 3.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 3.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 3.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 3.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 3.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 3.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 4.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 4.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 4.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 4.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 4.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 4.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 4.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 5.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 5.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 5.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 5.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 5.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 5.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 5.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 6.1 | Total NIS/FX futures contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 6.2 | Total NIS/FX futures contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 6.3 | Total NIS/FX futures contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 6.4 | Total NIS/FX futures contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 6.7 | Total NIS/FX futures contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 6.5 | Total NIS/FX futures contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 6.6 | Total NIS/FX futures contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x902 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r8.1 | NIS/FX forward and swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r8.2 | NIS/FX forward and swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r8.3 | NIS/FX forward and swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r8.4 | NIS/FX forward and swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r8.7 | NIS/FX forward and swap contracts, by counterparty:/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r8.5 | NIS/FX forward and swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r8.6 | NIS/FX forward and swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 7.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 7.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 7.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 7.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 7.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 7.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 7.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 8.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 8.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 8.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 8.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 8.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 8.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 8.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 9.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 9.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 9.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 9.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 9.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 9.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 9.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 10.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 10.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 10.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 10.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 10.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 10.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 10.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 11.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 11.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 11.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 11.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 11.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 11.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 11.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 12.1 | Total NIS/FX forward and swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 12.2 | Total NIS/FX forward and swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 12.3 | Total NIS/FX forward and swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 12.4 | Total NIS/FX forward and swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 12.7 | Total NIS/FX forward and swap contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 12.5 | Total NIS/FX forward and swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 12.6 | Total NIS/FX forward and swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x903 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r15.1 | NIS/FX option contracts written, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r15.2 | NIS/FX option contracts written, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r15.3 | NIS/FX option contracts written, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r15.4 | NIS/FX option contracts written, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r15.7 | NIS/FX option contracts written, by counterparty/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r15.5 | NIS/FX option contracts written, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r15.6 | NIS/FX option contracts written, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 13.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 13.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 13.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 13.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 13.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 13.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 13.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 14.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 14.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 14.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 14.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 14.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 14.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 14.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 15.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 15.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 15.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 15.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 15.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 15.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 15.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 16.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 16.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 16.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 16.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 16.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 16.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 16.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 17.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 17.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 17.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 17.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 17.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 17.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 17.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 18.1 | Total NIS/FX option contracts written/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 18.2 | Total NIS/FX option contracts written/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 18.3 | Total NIS/FX option contracts written/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 18.4 | Total NIS/FX option contracts written/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 18.7 | Total NIS/FX option contracts written/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 18.5 | Total NIS/FX option contracts written/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 18.6 | Total NIS/FX option contracts written/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x896 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r22.1 | NIS/FX option contracts acquired, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r22.2 | NIS/FX option contracts acquired, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r22.3 | NIS/FX option contracts acquired, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r22.4 | NIS/FX option contracts acquired, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r22.7 | NIS/FX option contracts acquired, by counterparty/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r22.5 | NIS/FX option contracts acquired, by counterparty/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r22.6 | NIS/FX option contracts acquired, by counterparty/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 19.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 19.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 19.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 19.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 19.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 19.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 19.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 20.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 20.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 20.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 20.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 20.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 20.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 20.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 21.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 21.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 21.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 21.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 21.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 21.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 21.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 22.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 22.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 22.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 22.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 22.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 22.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 22.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 23.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 23.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 23.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 23.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 23.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 23.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 23.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 24.1 | Total NIS/FX option contracts acquired/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 24.2 | Total NIS/FX option contracts acquired/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 24.3 | Total NIS/FX option contracts acquired/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 24.4 | Total NIS/FX option contracts acquired/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 24.7 | Total NIS/FX option contracts acquired/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 24.5 | Total NIS/FX option contracts acquired/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 24.6 | Total NIS/FX option contracts acquired/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x899 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r29.1 | Spot NIS/FX swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r29.2 | Spot NIS/FX swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r29.3 | Spot NIS/FX swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r29.4 | Spot NIS/FX swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r29.7 | Spot NIS/FX swap contracts, by counterparty:/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r29.5 | Spot NIS/FX swap contracts, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r29.6 | Spot NIS/FX swap contracts, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 25.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 25.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 25.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 25.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 25.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 25.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 25.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 26.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 26.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 26.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 26.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 26.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 26.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 26.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 27.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 27.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 27.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 27.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 27.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 27.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 27.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 28.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 28.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 28.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 28.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 28.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 28.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 28.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 29.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 29.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 29.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 29.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 29.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 29.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 29.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 30.1 | Total spot NIS/FX swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 30.2 | Total spot NIS/FX swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 30.3 | Total spot NIS/FX swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 30.4 | Total spot NIS/FX swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 30.7 | Total spot NIS/FX swap contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 30.5 | Total spot NIS/FX swap contracts/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 30.6 | Total spot NIS/FX swap contracts/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x894 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r36.1 | Total NIS/FX derivatives, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r36.2 | Total NIS/FX derivatives, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r36.3 | Total NIS/FX derivatives, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r36.4 | Total NIS/FX derivatives, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| r36.7 | Total NIS/FX derivatives, by counterparty:/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| r36.5 | Total NIS/FX derivatives, by counterparty:/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| r36.6 | Total NIS/FX derivatives, by counterparty:/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 31.1 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 31.2 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 31.3 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 31.4 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 31.7 | Domestic financial entities (excl. domestic banking corporations)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | N/A | boi_TT:x16 |
| 31.5 | Domestic financial entities (excl. domestic banking corporations)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x53 | boi_TT:x16 |
| 31.6 | Domestic financial entities (excl. domestic banking corporations)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x133 | boi_TI:x84 | boi_TT:x16 |
| 32.1 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 32.2 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 32.3 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 32.4 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 32.7 | Domestic banking corporations/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | N/A | boi_TT:x16 |
| 32.5 | Domestic banking corporations/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x53 | boi_TT:x16 |
| 32.6 | Domestic banking corporations/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x134 | boi_TI:x84 | boi_TT:x16 |
| 33.1 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 33.2 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 33.3 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 33.4 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 33.7 | Foreign financial entities (excl. subsidiaries abroad)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | N/A | boi_TT:x16 |
| 33.5 | Foreign financial entities (excl. subsidiaries abroad)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x53 | boi_TT:x16 |
| 33.6 | Foreign financial entities (excl. subsidiaries abroad)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x135 | boi_TI:x84 | boi_TT:x16 |
| 34.1 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 34.2 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 34.3 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 34.4 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 34.7 | Subsidiaries abroad/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | N/A | boi_TT:x16 |
| 34.5 | Subsidiaries abroad/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x53 | boi_TT:x16 |
| 34.6 | Subsidiaries abroad/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x136 | boi_TI:x84 | boi_TT:x16 |
| 35.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 35.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 35.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 35.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 35.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | N/A | boi_TT:x16 |
| 35.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | boi_TT:x16 |
| 35.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | boi_TT:x16 |
| 36.1 | Total NIS/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 36.2 | Total NIS/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 36.3 | Total NIS/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 36.4 | Total NIS/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 36.7 | Total NIS/FX derivatives/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | N/A | boi_TT:x16 |
| 36.5 | Total NIS/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x16 |
| 36.6 | Total NIS/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x16 |
| 37.1 | Total FX/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x17 |
| 37.2 | Total FX/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x17 |
| 37.3 | Total FX/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x17 |
| 37.4 | Total FX/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x17 |
| 37.7 | Total FX/FX derivatives/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | N/A | boi_TT:x17 |
| 37.5 | Total FX/FX derivatives/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | boi_TT:x17 |
| 37.6 | Total FX/FX derivatives/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | boi_TT:x17 |
| 38.1 | Total FX contracts2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| 38.2 | Total FX contracts2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| 38.3 | Total FX contracts2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| 38.4 | Total FX contracts2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| 38.7 | Total FX contracts2/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | N/A | N/A |
| 38.5 | Total FX contracts2/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| 38.6 | Total FX contracts2/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r45.1 | Breakdown of other counterparties1 (Line 35)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r45.2 | Breakdown of other counterparties1 (Line 35)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r45.3 | Breakdown of other counterparties1 (Line 35)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r45.4 | Breakdown of other counterparties1 (Line 35)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| r45.7 | Breakdown of other counterparties1 (Line 35)/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | N/A | N/A |
| r45.5 | Breakdown of other counterparties1 (Line 35)/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x53 | N/A |
| r45.6 | Breakdown of other counterparties1 (Line 35)/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | N/A | boi_TI:x84 | N/A |
| 39.1 | Israel resident other than domestic financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x53 | N/A |
| 39.2 | Israel resident other than domestic financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x84 | N/A |
| 39.3 | Israel resident other than domestic financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x53 | N/A |
| 39.4 | Israel resident other than domestic financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x84 | N/A |
| 39.7 | Israel resident other than domestic financial entity/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | N/A | N/A |
| 39.5 | Israel resident other than domestic financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x53 | N/A |
| 39.6 | Israel resident other than domestic financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x138 | boi_TI:x84 | N/A |
| 40.1 | Nonresident other than foreign financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x53 | N/A |
| 40.2 | Nonresident other than foreign financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x84 | N/A |
| 40.3 | Nonresident other than foreign financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x53 | N/A |
| 40.4 | Nonresident other than foreign financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x84 | N/A |
| 40.7 | Nonresident other than foreign financial entity/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | N/A | N/A |
| 40.5 | Nonresident other than foreign financial entity/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x53 | N/A |
| 40.6 | Nonresident other than foreign financial entity/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x139 | boi_TI:x84 | N/A |
| 41.1 | Governments and central banks/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x53 | N/A |
| 41.2 | Governments and central banks/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x84 | N/A |
| 41.3 | Governments and central banks/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x53 | N/A |
| 41.4 | Governments and central banks/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x84 | N/A |
| 41.7 | Governments and central banks/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | N/A | N/A |
| 41.5 | Governments and central banks/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x53 | N/A |
| 41.6 | Governments and central banks/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x140 | boi_TI:x84 | N/A |
| 42.1 | Stock exchanges/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x53 | N/A |
| 42.2 | Stock exchanges/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x84 | N/A |
| 42.3 | Stock exchanges/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x53 | N/A |
| 42.4 | Stock exchanges/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x84 | N/A |
| 42.7 | Stock exchanges/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | N/A | N/A |
| 42.5 | Stock exchanges/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x53 | N/A |
| 42.6 | Stock exchanges/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x124 | boi_TI:x84 | N/A |
| 43.1 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x53 | N/A |
| 43.2 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x84 | N/A |
| 43.3 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x53 | N/A |
| 43.4 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x84 | N/A |
| 43.7 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | N/A | N/A |
| 43.5 | Other/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x53 | N/A |
| 43.6 | Other/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x141 | boi_TI:x84 | N/A |
| 44.1 | Total/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | N/A |
| 44.2 | Total/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x1 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | N/A |
| 44.3 | Total/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | N/A |
| 44.4 | Total/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | boi_CU:x13 | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | N/A |
| 44.7 | Total/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | N/A | N/A |
| 44.5 | Total/Up to 6 mo. (inclusive) | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x53 | N/A |
| 44.6 | Total/>6 mo. | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CS:x1 | N/A | boi_MC:x18 | boi_RT:x10 | boi_SE:x137 | boi_TI:x84 | N/A |