| r0.1 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r0.2 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r0.3 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r0.4 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r0.5 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r0.6 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r0.7 | label_boi_a2/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| r0.8 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r0.9 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r0.10 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r0.11 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r0.12 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r0.13 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r0.14 | label_boi_a2/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| r1.1 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r1.2 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r1.3 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r1.4 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r1.5 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r1.6 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r1.7 | Credit balance from deposits by collection/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r1.8 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r1.9 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r1.10 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r1.11 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r1.12 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r1.13 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r1.14 | Credit balance from deposits by collection/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 1.1 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 1.2 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 1.3 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 1.4 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 1.5 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 1.6 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 1.7 | Unlinked Israeli currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 1.8 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 1.9 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 1.10 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 1.11 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 1.12 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 1.13 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 1.14 | Unlinked Israeli currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 2.1 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 2.2 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 2.3 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 2.4 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 2.5 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 2.6 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 2.7 | Israeli currency linked to CPI/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 2.8 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 2.9 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 2.10 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 2.11 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 2.12 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 2.13 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 2.14 | Israeli currency linked to CPI/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x6 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 3.1 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 3.2 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 3.3 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 3.4 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 3.5 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 3.6 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 3.7 | Foreign currency/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 3.8 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 3.9 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 3.10 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 3.11 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 3.12 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 3.13 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 3.14 | Foreign currency/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | boi_CU:x15 | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 4.1 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 4.2 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 4.3 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 4.4 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 4.5 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 4.6 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 4.7 | Total/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 4.8 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 4.9 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 4.10 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 4.11 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 4.12 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 4.13 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 4.14 | Total/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 5.1 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x38 |
| 5.2 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x17 |
| 5.3 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x18 |
| 5.4 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x20 |
| 5.5 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x21 |
| 5.6 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x22 |
| 5.7 | Loans are granted for government deposits which were not included in this report/Consolidated | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | boi_RP:x24 | N/A | N/A |
| 5.8 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x38 |
| 5.9 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x17 |
| 5.10 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x18 |
| 5.11 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x20 |
| 5.12 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x21 |
| 5.13 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | N/A | N/A | boi_TI:x22 |
| 5.14 | Loans are granted for government deposits which were not included in this report/Bank | boi_met:mi1 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | N/A | boi_PU:x8 | boi_RP:x24 | N/A | N/A |
| r7.1 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r7.2 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r7.3 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r7.4 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r7.5 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r7.6 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r7.7 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r7.8 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r7.9 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r7.10 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r7.11 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r7.12 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r7.13 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r7.14 | Cash flow due to commissions and interest intervals related to activity in "Midat Hagvia"/Bank | | | | boi_BC:x9 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r8.1 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r8.2 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r8.3 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r8.4 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r8.5 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r8.6 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r8.7 | CPI linkes sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r8.8 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r8.9 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r8.10 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r8.11 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r8.12 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r8.13 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r8.14 | CPI linkes sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 6.1 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 6.2 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 6.3 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 6.4 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 6.5 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 6.6 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 6.7 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 6.8 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 6.9 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 6.10 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 6.11 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 6.12 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 6.13 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 6.14 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 7.1 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 7.2 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 7.3 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 7.4 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 7.5 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 7.6 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 7.7 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 7.8 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 7.9 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 7.10 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 7.11 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 7.12 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 7.13 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 7.14 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 8.1 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 8.2 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 8.3 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 8.4 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 8.5 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 8.6 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 8.7 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 8.8 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 8.9 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 8.10 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 8.11 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 8.12 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 8.13 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 8.14 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 9.1 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 9.2 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 9.3 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 9.4 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 9.5 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 9.6 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 9.7 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 9.8 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 9.9 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 9.10 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 9.11 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 9.12 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 9.13 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 9.14 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x30 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r13.1 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r13.2 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r13.3 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r13.4 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r13.5 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r13.6 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r13.7 | Unlinked shekel sector:/Consolidated | | | | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r13.8 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| r13.9 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| r13.10 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| r13.11 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| r13.12 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| r13.13 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| r13.14 | Unlinked shekel sector:/Bank | | | | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 10.1 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 10.2 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 10.3 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 10.4 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 10.5 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 10.6 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 10.7 | Cash flows of futures contracts/Consolidated | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 10.8 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 10.9 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 10.10 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 10.11 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 10.12 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 10.13 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 10.14 | Cash flows of futures contracts/Bank | boi_met:mi10 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 11.1 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 11.2 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 11.3 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 11.4 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 11.5 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 11.6 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 11.7 | Expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 11.8 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 11.9 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 11.10 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 11.11 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 11.12 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 11.13 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 11.14 | Expected future cash flows after management estimate of early repayments/Bank | boi_met:mi123 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 12.1 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 12.2 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 12.3 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 12.4 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 12.5 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 12.6 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 12.7 | Discounted expected future cash flows after management estimate of early repayments/Consolidated | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 12.8 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 12.9 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 12.10 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 12.11 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 12.12 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 12.13 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 12.14 | Discounted expected future cash flows after management estimate of early repayments/Bank | boi_met:mi124 | xbrli:monetaryItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 13.1 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 13.2 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 13.3 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 13.4 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 13.5 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 13.6 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 13.7 | The discount rate/Consolidated | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x2 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| 13.8 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x38 |
| 13.9 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x17 |
| 13.10 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x18 |
| 13.11 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x20 |
| 13.12 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x21 |
| 13.13 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | N/A | N/A | boi_TI:x22 |
| 13.14 | The discount rate/Bank | boi_met:pi125 | num:percentItemType | instant | boi_BC:x9 | boi_CS:x1 | boi_CU:x5 | boi_GA:x1 | boi_MC:x150 | N/A | boi_PU:x9 | boi_RP:x24 | N/A | N/A |
| r18.1 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r18.2 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r18.3 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r18.4 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r18.5 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r18.6 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r18.7 | Information on loans during the year/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| r18.8 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r18.9 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r18.10 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r18.11 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r18.12 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r18.13 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r18.14 | Information on loans during the year/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| 14.1 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x38 |
| 14.2 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x17 |
| 14.3 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x18 |
| 14.4 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x20 |
| 14.5 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x21 |
| 14.6 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x22 |
| 14.7 | Loans from deposits on collection/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | boi_RP:x24 | boi_ST:x22 | N/A |
| 14.8 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x38 |
| 14.9 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x17 |
| 14.10 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x18 |
| 14.11 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x20 |
| 14.12 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x21 |
| 14.13 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | N/A | boi_ST:x22 | boi_TI:x22 |
| 14.14 | Loans from deposits on collection/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x9 | boi_RP:x24 | boi_ST:x22 | N/A |
| r20.1 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r20.2 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r20.3 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r20.4 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r20.5 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r20.6 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r20.7 | Mortgage banks/Consolidated | | | | N/A | boi_CS:x2 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| r20.8 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x38 |
| r20.9 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x17 |
| r20.10 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x18 |
| r20.11 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x20 |
| r20.12 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x21 |
| r20.13 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | N/A | N/A | boi_TI:x22 |
| r20.14 | Mortgage banks/Bank | | | | N/A | boi_CS:x1 | N/A | boi_GA:x1 | N/A | N/A | N/A | boi_RP:x24 | N/A | N/A |
| 15.1 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x38 |
| 15.2 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x17 |
| 15.3 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x18 |
| 15.4 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x20 |
| 15.5 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x21 |
| 15.6 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x22 |
| 15.7 | Loans are standing/Consolidated | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x2 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | boi_RP:x24 | boi_ST:x22 | N/A |
| 15.8 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x38 |
| 15.9 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x17 |
| 15.10 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x18 |
| 15.11 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x20 |
| 15.12 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x21 |
| 15.13 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | N/A | boi_ST:x22 | boi_TI:x22 |
| 15.14 | Loans are standing/Bank | boi_met:md99 | xbrli:monetaryItemType | instant | boi_BC:x29 | boi_CS:x1 | N/A | boi_GA:x1 | boi_MC:x8 | boi_MU:x1 | boi_PU:x8 | boi_RP:x24 | boi_ST:x22 | N/A |