| r0.1 | label_boi_a2/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| r0.2 | label_boi_a2/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| r0.3 | label_boi_a2/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| r0.4 | label_boi_a2/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| r0.5 | label_boi_a2/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| r0.6 | label_boi_a2/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| r0.7 | label_boi_a2/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| r0.8 | label_boi_a2/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| r0.9 | label_boi_a2/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| r0.10 | label_boi_a2/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| r0.11 | label_boi_a2/Conversations regarding service: handling a malfunction | | | | boi_AP:x4 | boi_BA:x138 | N/A |
| r0.12 | label_boi_a2/Conversations regarding service: account clarification | | | | boi_AP:x4 | boi_BA:x139 | N/A |
| r0.13 | label_boi_a2/Conversations regarding service: termination of contract | | | | boi_AP:x4 | boi_BA:x140 | N/A |
| r0.14 | label_boi_a2/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | | | | boi_AP:x4 | boi_BA:x141 | N/A |
| r0.15 | label_boi_a2/Conversations on other topics | | | | boi_AP:x4 | boi_BA:x142 | N/A |
| 1.1 | Number of phone calls to the call center/Conversations during core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| 1.2 | Number of phone calls to the call center/Conversations outside of core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| 1.3 | Number of phone calls to the call center/Conversations during core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| 1.4 | Number of phone calls to the call center/Conversations outside of core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| 1.5 | Number of phone calls to the call center/Conversations during core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| 1.6 | Number of phone calls to the call center/Conversations outside of core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| 1.7 | Number of phone calls to the call center/Conversations during core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| 1.8 | Number of phone calls to the call center/Conversations outside of core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| 1.9 | Number of phone calls to the call center/Conversations during core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| 1.10 | Number of phone calls to the call center/Conversations outside of core hours | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| 1.11 | Number of phone calls to the call center/Conversations regarding service: handling a malfunction | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x138 | N/A |
| 1.12 | Number of phone calls to the call center/Conversations regarding service: account clarification | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x139 | N/A |
| 1.13 | Number of phone calls to the call center/Conversations regarding service: termination of contract | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x140 | N/A |
| 1.14 | Number of phone calls to the call center/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x141 | N/A |
| 1.15 | Number of phone calls to the call center/Conversations on other topics | boi_met:ii1279 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x142 | N/A |
| r2.1 | of which:/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| r2.2 | of which:/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| r2.3 | of which:/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| r2.4 | of which:/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| r2.5 | of which:/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| r2.6 | of which:/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| r2.7 | of which:/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| r2.8 | of which:/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| r2.9 | of which:/Conversations during core hours | | | | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| r2.10 | of which:/Conversations outside of core hours | | | | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| r2.11 | of which:/Conversations regarding service: handling a malfunction | | | | boi_AP:x4 | boi_BA:x138 | N/A |
| r2.12 | of which:/Conversations regarding service: account clarification | | | | boi_AP:x4 | boi_BA:x139 | N/A |
| r2.13 | of which:/Conversations regarding service: termination of contract | | | | boi_AP:x4 | boi_BA:x140 | N/A |
| r2.14 | of which:/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | | | | boi_AP:x4 | boi_BA:x141 | N/A |
| r2.15 | of which:/Conversations on other topics | | | | boi_AP:x4 | boi_BA:x142 | N/A |
| 2.1 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations during core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| 2.2 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations outside of core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| 2.3 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations during core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| 2.4 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations outside of core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| 2.5 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations during core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| 2.6 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations outside of core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| 2.7 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations during core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| 2.8 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations outside of core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| 2.9 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations during core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| 2.10 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations outside of core hours | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| 2.11 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations regarding service: handling a malfunction | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x138 | N/A |
| 2.12 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations regarding service: account clarification | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x139 | N/A |
| 2.13 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations regarding service: termination of contract | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x140 | N/A |
| 2.14 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x141 | N/A |
| 2.15 | of which: the number of conversations for which the wait time until receiving a professional human response exceeds 6 minutes/Conversations on other topics | boi_met:ii1281 | xbrli:integerItemType | instant | boi_AP:x4 | boi_BA:x142 | N/A |
| 3.1 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations during core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| 3.2 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations outside of core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| 3.3 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations during core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| 3.4 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations outside of core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| 3.5 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations during core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| 3.6 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations outside of core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| 3.7 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations during core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| 3.8 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations outside of core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| 3.9 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations during core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| 3.10 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations outside of core hours | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| 3.11 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations regarding service: handling a malfunction | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x4 | boi_BA:x138 | N/A |
| 3.12 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations regarding service: account clarification | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x4 | boi_BA:x139 | N/A |
| 3.13 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations regarding service: termination of contract | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x4 | boi_BA:x140 | N/A |
| 3.14 | Percentage of conversations with a wait time exceeding 6 minutes/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x4 | boi_BA:x141 | N/A |
| 3.15 | Percentage of conversations with a wait time exceeding 6 minutes/Conversations on other topics | boi_met:pi1282 | num:percentItemType | instant | boi_AP:x4 | boi_BA:x142 | N/A |
| 4.1 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations during core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1134 |
| 4.2 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations outside of core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x138 | boi_MC:x1135 |
| 4.3 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations during core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1134 |
| 4.4 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations outside of core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x139 | boi_MC:x1135 |
| 4.5 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations during core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1134 |
| 4.6 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations outside of core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x140 | boi_MC:x1135 |
| 4.7 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations during core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1134 |
| 4.8 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations outside of core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x141 | boi_MC:x1135 |
| 4.9 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations during core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1134 |
| 4.10 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations outside of core hours | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x3 | boi_BA:x142 | boi_MC:x1135 |
| 4.11 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations regarding service: handling a malfunction | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x4 | boi_BA:x138 | N/A |
| 4.12 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations regarding service: account clarification | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x4 | boi_BA:x139 | N/A |
| 4.13 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations regarding service: termination of contract | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x4 | boi_BA:x140 | N/A |
| 4.14 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Total of the 3 service types (handling a malfunction, account clarification, termination of contract) | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x4 | boi_BA:x141 | N/A |
| 4.15 | Average wait time (in minutes) until a professional human response is received in calls where such wait time exceeds 6 minutes/Conversations on other topics | boi_met:ti1324 | xbrli:timeItemType | instant | boi_AP:x4 | boi_BA:x142 | N/A |