| Address | Label | Metrics | Data Type | Period Type | boi_dim:BCC | boi_dim:CSC | boi_dim:FNN | boi_dim:GAM | boi_dim:GAU | boi_dim:MCC | boi_dim:RPC | boi_dim:SEC | boi_dim:STL | boi_dim:TIO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r0.1 | countries/To governments | boi_met:mi536 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | boi_SE:x282 | N/A | N/A |
| r0.2 | countries/To banks | boi_met:mi536 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | boi_SE:x283 | N/A | N/A |
| r0.3 | countries/To others | boi_met:mi536 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | boi_SE:x284 | N/A | N/A |
| r0.4 | countries/Balance sheet exposure before deducting local liabilities | boi_met:mi537 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | N/A |
| r0.5 | countries/Deduction for local liabilities | boi_met:mi538 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | N/A |
| r0.6 | countries/Balance sheet exposure after deducting local liabilities | boi_met:mi539 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | N/A |
| r0.8 | countries/Total balance sheet exposure | boi_met:mi540 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | N/A |
| r0.9 | countries/Probelematic balance credit risk | boi_met:mi540 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | boi_ST:x2 | N/A |
| r0.10 | countries/Impaired debts | boi_met:mi540 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | boi_ST:x3 | N/A |
| r0.11 | countries/Total exposure | boi_met:mi76 | xbrli:monetaryItemType | instant | boi_BC:x8 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x702 | boi_RP:x24 | N/A | N/A | N/A |
| r0.12 | countries/Of which: Off balance sheet problematic credit risk | boi_met:mi76 | xbrli:monetaryItemType | instant | boi_BC:x8 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x702 | boi_RP:x24 | N/A | boi_ST:x2 | N/A |
| r0.13 | countries/Repayment period Up to one year | boi_met:mi536 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | boi_TI:x38 |
| r0.14 | countries/Repayment period Over one year | boi_met:mi536 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_FN:x1 | boi_GA:x21 | * | boi_MC:x1 | boi_RP:x24 | N/A | N/A | boi_TI:x8 |