| r0.1 | label_boi_a2/Households | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.2 | label_boi_a2/Of which: housing loans | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.3 | label_boi_a2/Of which: credit cards | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.4 | label_boi_a2/Private banking | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.5 | label_boi_a2/Micro and small business | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.6 | label_boi_a2/Medium business | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.7 | label_boi_a2/Large business | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.8 | label_boi_a2/Institutional | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.9 | label_boi_a2/Financial management | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.10 | label_boi_a2/Other segmen | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.11 | label_boi_a2/Total Domestic activity | | | | N/A | boi_CS:x2 | boi_GA:x1 | N/A | boi_RP:x24 | boi_SE:x300 | N/A | boi_SE:x319 |
| r0.12 | label_boi_a2/Total activity abroad | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| r0.13 | label_boi_a2/Total | | | | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 37.1 | Balance of housing loans to business customers/Households | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.2 | Balance of housing loans to business customers/Of which: housing loans | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.3 | Balance of housing loans to business customers/Of which: credit cards | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.4 | Balance of housing loans to business customers/Private banking | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.5 | Balance of housing loans to business customers/Micro and small business | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.6 | Balance of housing loans to business customers/Medium business | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.7 | Balance of housing loans to business customers/Large business | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.8 | Balance of housing loans to business customers/Institutional | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.9 | Balance of housing loans to business customers/Financial management | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.10 | Balance of housing loans to business customers/Other segmen | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.11 | Balance of housing loans to business customers/Total Domestic activity | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | boi_CS:x2 | boi_GA:x1 | boi_MC:x8 | boi_RP:x24 | boi_SE:x300 | boi_SE:x16 | boi_SE:x319 |
| 37.12 | Balance of housing loans to business customers/Total activity abroad | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |
| 37.13 | Balance of housing loans to business customers/Total | boi_met:mi2 | xbrli:monetaryItemType | instant | boi_BC:x1 | N/A | N/A | boi_MC:x8 | N/A | N/A | boi_SE:x16 | N/A |