| r0.1 | label_boi_a2/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| r0.2 | label_boi_a2/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| r0.3 | label_boi_a2/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | N/A | N/A | boi_RP:x24 | N/A |
| r1.1 | Interest rate contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| r1.2 | Interest rate contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| r1.3 | Interest rate contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 1.1 | FORWARD and FUTURE contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 1.2 | FORWARD and FUTURE contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 1.3 | FORWARD and FUTURE contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 2.1 | Options written/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 2.2 | Options written/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 2.3 | Options written/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 3.1 | Options purchased/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 3.2 | Options purchased/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 3.3 | Options purchased/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 4.1 | *SWAPS/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 4.2 | *SWAPS/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 4.3 | *SWAPS/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 5.1 | Of which: interest-rate swap contracts in which the banking corporation agreed to pay a fixed rate of interest/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x906 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 5.2 | Of which: interest-rate swap contracts in which the banking corporation agreed to pay a fixed rate of interest/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x906 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 5.3 | Of which: interest-rate swap contracts in which the banking corporation agreed to pay a fixed rate of interest/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x906 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 6.1 | Total interest rate contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x8 |
| 6.2 | Total interest rate contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x8 |
| 6.3 | Total interest rate contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | N/A | boi_RP:x24 | boi_RT:x8 |
| 7.1 | Of which: hedging derivatives/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | boi_PL:x11 | boi_RP:x24 | boi_RT:x8 |
| 7.2 | Of which: hedging derivatives/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | boi_PL:x11 | boi_RP:x24 | boi_RT:x8 |
| 7.3 | Of which: hedging derivatives/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | boi_PL:x11 | boi_RP:x24 | boi_RT:x8 |
| 8.1 | Of which: NIS-CPI/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x12 |
| 8.2 | Of which: NIS-CPI/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x12 |
| 8.3 | Of which: NIS-CPI/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | N/A | boi_RP:x24 | boi_RT:x12 |
| r10.1 | Foreign currency contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| r10.2 | Foreign currency contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| r10.3 | Foreign currency contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 9.1 | FORWARD and FUTURE contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 9.2 | FORWARD and FUTURE contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 9.3 | FORWARD and FUTURE contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 10.1 | Of which: Foreign exchange spots/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x894 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 10.2 | Of which: Foreign exchange spots/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x894 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 10.3 | Of which: Foreign exchange spots/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x894 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 11.1 | Options written/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 11.2 | Options written/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 11.3 | Options written/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 12.1 | Options purchased/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 12.2 | Options purchased/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 12.3 | Options purchased/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 13.1 | *SWAPS/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 13.2 | *SWAPS/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 13.3 | *SWAPS/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 14.1 | Total foreign currency contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x10 |
| 14.2 | Total foreign currency contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x10 |
| 14.3 | Total foreign currency contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | N/A | boi_RP:x24 | boi_RT:x10 |
| 15.1 | Of which: hedging derivatives/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | boi_PL:x11 | boi_RP:x24 | boi_RT:x10 |
| 15.2 | Of which: hedging derivatives/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | boi_PL:x11 | boi_RP:x24 | boi_RT:x10 |
| 15.3 | Of which: hedging derivatives/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | boi_PL:x11 | boi_RP:x24 | boi_RT:x10 |
| r18.1 | Contracts in respect of shares/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| r18.2 | Contracts in respect of shares/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| r18.3 | Contracts in respect of shares/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 16.1 | FORWARD and FUTURE contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 16.2 | FORWARD and FUTURE contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 16.3 | FORWARD and FUTURE contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 17.1 | Options written/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 17.2 | Options written/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 17.3 | Options written/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 18.1 | Options purchased/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 18.2 | Options purchased/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 18.3 | Options purchased/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 19.1 | Of which: traded on Exchange/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x900 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 19.2 | Of which: traded on Exchange/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x900 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 19.3 | Of which: traded on Exchange/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x900 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 20.1 | *SWAPS/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 20.2 | *SWAPS/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 20.3 | *SWAPS/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| 21.1 | Total contracts in respect of shares/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x9 |
| 21.2 | Total contracts in respect of shares/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x9 |
| 21.3 | Total contracts in respect of shares/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | N/A | boi_RP:x24 | boi_RT:x9 |
| r25.1 | Commodities and other contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| r25.2 | Commodities and other contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| r25.3 | Commodities and other contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | N/A | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| 22.1 | FORWARD and FUTURE contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| 22.2 | FORWARD and FUTURE contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| 22.3 | FORWARD and FUTURE contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x1136 | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| 23.1 | Options written/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| 23.2 | Options written/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| 23.3 | Options written/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x896 | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| 24.1 | Options purchased/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| 24.2 | Options purchased/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| 24.3 | Options purchased/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x899 | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| 25.1 | *SWAPS/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| 25.2 | *SWAPS/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| 25.3 | *SWAPS/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x905 | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| 26.1 | Total commodities and other contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x15 | N/A | boi_RP:x24 | boi_RT:x16 |
| 26.2 | Total commodities and other contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | boi_PL:x2 | N/A | boi_RP:x24 | boi_RT:x16 |
| 26.3 | Total commodities and other contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x893 | N/A | N/A | boi_RP:x24 | boi_RT:x16 |
| r31.1 | Credit contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| r31.2 | Credit contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| r31.3 | Credit contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | N/A | N/A | boi_RP:x24 | N/A |
| 27.1 | Credit in which the banking corporation is a guarantor/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x2 | boi_CS:x2 | boi_MC:x843 | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| 27.2 | Credit in which the banking corporation is a guarantor/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x2 | boi_CS:x2 | boi_MC:x843 | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| 27.3 | Credit in which the banking corporation is a guarantor/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x2 | boi_CS:x2 | boi_MC:x843 | N/A | N/A | boi_RP:x24 | N/A |
| 28.1 | Credit in which the banking corporation is a beneficiary/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x40 | boi_CS:x2 | boi_MC:x843 | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| 28.2 | Credit in which the banking corporation is a beneficiary/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x40 | boi_CS:x2 | boi_MC:x843 | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| 28.3 | Credit in which the banking corporation is a beneficiary/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | boi_CL:x40 | boi_CS:x2 | boi_MC:x843 | N/A | N/A | boi_RP:x24 | N/A |
| 29.1 | Total Credit contracts/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| 29.2 | Total Credit contracts/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| 29.3 | Total Credit contracts/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x843 | N/A | N/A | boi_RP:x24 | N/A |
| 30.1 | Aggregate Total/Non trade derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x18 | boi_PL:x15 | N/A | boi_RP:x24 | N/A |
| 30.2 | Aggregate Total/Trading derivatives | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x18 | boi_PL:x2 | N/A | boi_RP:x24 | N/A |
| 30.3 | Aggregate Total/Total | boi_met:mi204 | xbrli:monetaryItemType | instant | N/A | boi_CS:x2 | boi_MC:x18 | N/A | N/A | boi_RP:x24 | N/A |