| Address | Label | Metrics | Data Type | Period Type | boi_dim:BCC | boi_dim:CSC | boi_dim:GAC | boi_dim:MCC | boi_dim:RPC | boi_dim:SEC | boi_dim:STE | boi_dim:STL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r0.1 | label_boi_a2/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | N/A | N/A |
| 1.1 | External credit rating: AAA to AA-/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x91 | N/A |
| 2.1 | A+ to A-/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x92 | N/A |
| 3.1 | BBB+ to BBB-/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x93 | N/A |
| 4.1 | BB+ to B-/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x94 | N/A |
| 5.1 | Less than: B-/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x95 | N/A |
| 6.1 | Unrated/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | boi_ST:x17 | N/A |
| 7.1 | Total present credit exposure to foreign financial institutions/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | N/A | N/A |
| 8.1 | Of which: Problematic commercial credit risk/Balance-sheet credit risk | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x2 | boi_MC:x917 | boi_RP:x24 | boi_SE:x9 | N/A | boi_ST:x2 |