| r0.1 | label_boi_a2/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | N/A | boi_MU:x1 |
| r0.2 | label_boi_a2/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | N/A | boi_MU:x1 |
| r0.3 | label_boi_a2/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | N/A | boi_MU:x1 |
| 1.1 | Account management/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x142 | boi_MU:x1 |
| 1.2 | Account management/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x142 | boi_MU:x1 |
| 1.3 | Account management/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x142 | boi_MU:x1 |
| 2.1 | Credit cards/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x281 | boi_MU:x1 |
| 2.2 | Credit cards/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x281 | boi_MU:x1 |
| 2.3 | Credit cards/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x281 | boi_MU:x1 |
| 3.1 | Activity in certain securities and derivative/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x144 | boi_MU:x1 |
| 3.2 | Activity in certain securities and derivative/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x144 | boi_MU:x1 |
| 3.3 | Activity in certain securities and derivative/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x144 | boi_MU:x1 |
| r4.1 | Distribution commission for financial products:/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | N/A | boi_MU:x1 |
| r4.2 | Distribution commission for financial products:/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | N/A | boi_MU:x1 |
| r4.3 | Distribution commission for financial products:/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | N/A | boi_MU:x1 |
| 4.1 | Mutual funds/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x282 | boi_MU:x1 |
| 4.2 | Mutual funds/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x282 | boi_MU:x1 |
| 4.3 | Mutual funds/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x282 | boi_MU:x1 |
| 5.1 | Provident and advanced training funds/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x283 | boi_MU:x1 |
| 5.2 | Provident and advanced training funds/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x283 | boi_MU:x1 |
| 5.3 | Provident and advanced training funds/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x283 | boi_MU:x1 |
| 6.1 | Pension and life insurance products/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x284 | boi_MU:x1 |
| 6.2 | Pension and life insurance products/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x284 | boi_MU:x1 |
| 6.3 | Pension and life insurance products/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x284 | boi_MU:x1 |
| 7.1 | Homeowners insurance/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x286 | boi_MU:x1 |
| 7.2 | Homeowners insurance/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x286 | boi_MU:x1 |
| 7.3 | Homeowners insurance/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x286 | boi_MU:x1 |
| 8.1 | Other/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x285 | boi_MU:x1 |
| 8.2 | Other/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x285 | boi_MU:x1 |
| 8.3 | Other/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x285 | boi_MU:x1 |
| 9.1 | Total/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x145 | boi_MU:x1 |
| 9.2 | Total/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x145 | boi_MU:x1 |
| 9.3 | Total/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x145 | boi_MU:x1 |
| r11.1 | Management, operation, and trusteeship for institutional entities:/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | N/A | boi_MU:x1 |
| r11.2 | Management, operation, and trusteeship for institutional entities:/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | N/A | boi_MU:x1 |
| r11.3 | Management, operation, and trusteeship for institutional entities:/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | N/A | boi_MU:x1 |
| 10.1 | Mutual funds/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x287 | boi_MU:x1 |
| 10.2 | Mutual funds/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x287 | boi_MU:x1 |
| 10.3 | Mutual funds/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x287 | boi_MU:x1 |
| 11.1 | Provident and advanced training funds/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x288 | boi_MU:x1 |
| 11.2 | Provident and advanced training funds/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x288 | boi_MU:x1 |
| 11.3 | Provident and advanced training funds/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x288 | boi_MU:x1 |
| 12.1 | Pension funds/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x289 | boi_MU:x1 |
| 12.2 | Pension funds/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x289 | boi_MU:x1 |
| 12.3 | Pension funds/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x289 | boi_MU:x1 |
| 13.1 | Other/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x290 | boi_MU:x1 |
| 13.2 | Other/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x290 | boi_MU:x1 |
| 13.3 | Other/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x290 | boi_MU:x1 |
| 14.1 | Total/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x146 | boi_MU:x1 |
| 14.2 | Total/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x146 | boi_MU:x1 |
| 14.3 | Total/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x146 | boi_MU:x1 |
| 15.1 | Handling of credit/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x147 | boi_MU:x1 |
| 15.2 | Handling of credit/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x147 | boi_MU:x1 |
| 15.3 | Handling of credit/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x147 | boi_MU:x1 |
| 16.1 | Conversion differentials/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x148 | boi_MU:x1 |
| 16.2 | Conversion differentials/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x148 | boi_MU:x1 |
| 16.3 | Conversion differentials/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x148 | boi_MU:x1 |
| 17.1 | Foreign trade activity/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x149 | boi_MU:x1 |
| 17.2 | Foreign trade activity/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x149 | boi_MU:x1 |
| 17.3 | Foreign trade activity/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x149 | boi_MU:x1 |
| 18.1 | Net income from servicing of credit portfolios/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x150 | boi_MU:x1 |
| 18.2 | Net income from servicing of credit portfolios/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x150 | boi_MU:x1 |
| 18.3 | Net income from servicing of credit portfolios/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x150 | boi_MU:x1 |
| 19.1 | Fees from financing transactions/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x151 | boi_MU:x1 |
| 19.2 | Fees from financing transactions/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x151 | boi_MU:x1 |
| 19.3 | Fees from financing transactions/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x151 | boi_MU:x1 |
| 20.1 | Other fees/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x152 | boi_MU:x1 |
| 20.2 | Other fees/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x152 | boi_MU:x1 |
| 20.3 | Other fees/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x152 | boi_MU:x1 |
| 21.1 | Total operating fees/Activity in Israel | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x1 | boi_MC:x141 | boi_MU:x1 |
| 21.2 | Total operating fees/Activity abroad | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | boi_GA:x2 | boi_MC:x141 | boi_MU:x1 |
| 21.3 | Total operating fees/Total | boi_met:md13 | xbrli:monetaryItemType | instant | boi_BC:x11 | boi_CS:x2 | N/A | boi_MC:x141 | boi_MU:x1 |