| r0.1 | label_boi_a2/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x5 |
| r0.2 | label_boi_a2/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x16 |
| r0.3 | label_boi_a2/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x85 |
| r0.4 | label_boi_a2/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x19 |
| r0.5 | label_boi_a2/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | N/A |
| r1.1 | Interest contracts:/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x5 |
| r1.2 | Interest contracts:/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x16 |
| r1.3 | Interest contracts:/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x85 |
| r1.4 | Interest contracts:/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x19 |
| r1.5 | Interest contracts:/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | N/A |
| 1.1 | Shekel CPI/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x12 | boi_TI:x5 |
| 1.2 | Shekel CPI/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x12 | boi_TI:x16 |
| 1.3 | Shekel CPI/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x12 | boi_TI:x85 |
| 1.4 | Shekel CPI/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x12 | boi_TI:x19 |
| 1.5 | Shekel CPI/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x12 | N/A |
| 2.1 | Other/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x13 | boi_TI:x5 |
| 2.2 | Other/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x13 | boi_TI:x16 |
| 2.3 | Other/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x13 | boi_TI:x85 |
| 2.4 | Other/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x13 | boi_TI:x19 |
| 2.5 | Other/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x13 | N/A |
| 3.1 | Foreign currency contracts/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x10 | boi_TI:x5 |
| 3.2 | Foreign currency contracts/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x10 | boi_TI:x16 |
| 3.3 | Foreign currency contracts/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x10 | boi_TI:x85 |
| 3.4 | Foreign currency contracts/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x10 | boi_TI:x19 |
| 3.5 | Foreign currency contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x10 | N/A |
| 4.1 | Share contracts/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x9 | boi_TI:x5 |
| 4.2 | Share contracts/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x9 | boi_TI:x16 |
| 4.3 | Share contracts/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x9 | boi_TI:x85 |
| 4.4 | Share contracts/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x9 | boi_TI:x19 |
| 4.5 | Share contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x9 | N/A |
| 5.1 | Commodities and other contracts/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x17 | boi_TI:x5 |
| 5.2 | Commodities and other contracts/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x17 | boi_TI:x16 |
| 5.3 | Commodities and other contracts/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x17 | boi_TI:x85 |
| 5.4 | Commodities and other contracts/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x17 | boi_TI:x19 |
| 5.5 | Commodities and other contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | boi_RT:x17 | N/A |
| 6.1 | Total/Up to three months | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x5 |
| 6.2 | Total/From three months to one year | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x16 |
| 6.3 | Total/From one year until five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x85 |
| 6.4 | Total/More than five years | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | boi_TI:x19 |
| 6.5 | Total/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_MC:x18 | boi_RP:x24 | N/A | N/A |