| r0.1 | label_boi_a2/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.2 | label_boi_a2/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.3 | label_boi_a2/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.4 | label_boi_a2/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.5 | label_boi_a2/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.6 | label_boi_a2/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.7 | label_boi_a2/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.8 | label_boi_a2/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.9 | label_boi_a2/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.10 | label_boi_a2/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r0.11 | label_boi_a2/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.1 | Type of card/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.2 | Type of card/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.3 | Type of card/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.4 | Type of card/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.5 | Type of card/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.6 | Type of card/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.7 | Type of card/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.8 | Type of card/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.9 | Type of card/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.10 | Type of card/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r1.11 | Type of card/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.1 | Immediate charge card/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.2 | Immediate charge card/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.3 | Immediate charge card/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.4 | Immediate charge card/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.5 | Immediate charge card/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.6 | Immediate charge card/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.7 | Immediate charge card/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.8 | Immediate charge card/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.9 | Immediate charge card/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.10 | Immediate charge card/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r2.11 | Immediate charge card/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 1.1 | In Israel/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.2 | In Israel/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.3 | In Israel/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.4 | In Israel/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.5 | In Israel/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.6 | In Israel/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.7 | In Israel/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.8 | In Israel/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.9 | In Israel/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.10 | In Israel/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 1.11 | In Israel/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 2.1 | Abroad/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.2 | Abroad/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.3 | Abroad/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.4 | Abroad/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.5 | Abroad/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.6 | Abroad/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.7 | Abroad/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.8 | Abroad/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.9 | Abroad/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.10 | Abroad/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 2.11 | Abroad/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 3.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 3.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x11 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.1 | Deferred charge card/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.2 | Deferred charge card/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.3 | Deferred charge card/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.4 | Deferred charge card/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.5 | Deferred charge card/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.6 | Deferred charge card/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.7 | Deferred charge card/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.8 | Deferred charge card/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.9 | Deferred charge card/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.10 | Deferred charge card/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r6.11 | Deferred charge card/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 4.1 | In Israel/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.2 | In Israel/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.3 | In Israel/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.4 | In Israel/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.5 | In Israel/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.6 | In Israel/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.7 | In Israel/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.8 | In Israel/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.9 | In Israel/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.10 | In Israel/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 4.11 | In Israel/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 5.1 | Abroad/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.2 | Abroad/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.3 | Abroad/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.4 | Abroad/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.5 | Abroad/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.6 | Abroad/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.7 | Abroad/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.8 | Abroad/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.9 | Abroad/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.10 | Abroad/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 5.11 | Abroad/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 6.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 6.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x12 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.1 | Revolving credit card/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.2 | Revolving credit card/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.3 | Revolving credit card/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.4 | Revolving credit card/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.5 | Revolving credit card/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.6 | Revolving credit card/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.7 | Revolving credit card/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.8 | Revolving credit card/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.9 | Revolving credit card/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.10 | Revolving credit card/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r10.11 | Revolving credit card/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 7.1 | In Israel/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.2 | In Israel/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.3 | In Israel/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.4 | In Israel/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.5 | In Israel/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.6 | In Israel/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.7 | In Israel/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.8 | In Israel/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.9 | In Israel/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.10 | In Israel/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 7.11 | In Israel/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 8.1 | Abroad/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.2 | Abroad/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.3 | Abroad/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.4 | Abroad/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.5 | Abroad/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.6 | Abroad/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.7 | Abroad/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.8 | Abroad/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.9 | Abroad/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.10 | Abroad/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 8.11 | Abroad/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 9.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 9.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x13 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.1 | Pre-loaded card/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.2 | Pre-loaded card/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.3 | Pre-loaded card/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.4 | Pre-loaded card/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.5 | Pre-loaded card/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.6 | Pre-loaded card/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.7 | Pre-loaded card/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.8 | Pre-loaded card/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.9 | Pre-loaded card/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.10 | Pre-loaded card/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r14.11 | Pre-loaded card/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 10.1 | In Israel/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.2 | In Israel/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.3 | In Israel/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.4 | In Israel/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.5 | In Israel/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.6 | In Israel/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.7 | In Israel/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.8 | In Israel/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.9 | In Israel/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.10 | In Israel/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 10.11 | In Israel/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 11.1 | Abroad/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.2 | Abroad/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.3 | Abroad/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.4 | Abroad/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.5 | Abroad/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.6 | Abroad/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.7 | Abroad/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.8 | Abroad/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.9 | Abroad/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.10 | Abroad/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 11.11 | Abroad/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 12.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 12.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | boi_CC:x14 | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| r18.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 13.1 | In Israel/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.2 | In Israel/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.3 | In Israel/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.4 | In Israel/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.5 | In Israel/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.6 | In Israel/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.7 | In Israel/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.8 | In Israel/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.9 | In Israel/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.10 | In Israel/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 13.11 | In Israel/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x1 | boi_SE:x73 |
| 14.1 | Abroad/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.2 | Abroad/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.3 | Abroad/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.4 | Abroad/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.5 | Abroad/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.6 | Abroad/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.7 | Abroad/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.8 | Abroad/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.9 | Abroad/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.10 | Abroad/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 14.11 | Abroad/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | boi_GA:x2 | boi_SE:x73 |
| 15.1 | Total/At banks' responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.2 | Total/At company's responsibility | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.3 | Total/Guaranteed by other | boi_met:ri134 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.4 | Total/At banks' responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.5 | Total/At company's responsibility | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.6 | Total/Single-use pre-loaded card | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.7 | Total/Guaranteed by other | boi_met:ri126 | xbrli:decimalItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.8 | Total/At banks' responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x1 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.9 | Total/At company's responsibility | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x2 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.10 | Total/Single-use pre-loaded card | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x3 | boi_CS:x2 | N/A | boi_SE:x73 |
| 15.11 | Total/Guaranteed by other | boi_met:md127 | xbrli:monetaryItemType | instant | N/A | boi_CL:x4 | boi_CS:x2 | N/A | boi_SE:x73 |