| r0.010 | cbi_a67.root/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | N/A | cbi_BA:x6 | N/A | N/A | N/A | N/A | N/A |
| 300.010 | Total liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | N/A | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x126 | N/A |
| 010.010 | Financial liabilities held for trading/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x134 | N/A |
| 020.010 | Derivatives/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x122 | N/A |
| 030.010 | Short positions/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x133 | N/A |
| 040.010 | Deposits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x175 | N/A |
| 050.010 | Debt securities issued/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x176 | N/A |
| 060.010 | Other financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x6 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x131 | N/A |
| 061.010 | Trading financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x134 | N/A |
| 062.010 | Derivatives/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x122 | N/A |
| 063.010 | Short positions/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x133 | N/A |
| 064.010 | Deposits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x175 | N/A |
| 065.010 | Debt securities issued/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x176 | N/A |
| 066.010 | Other financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x22 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x131 | N/A |
| 070.010 | Financial liabilities designated at fair value through profit or loss/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x23 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x132 | N/A |
| 080.010 | Deposits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x23 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x175 | N/A |
| 090.010 | Debt securities issued/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x23 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x176 | N/A |
| 100.010 | Other financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x23 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x131 | N/A |
| 110.010 | Financial liabilities measured at amortised cost/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x7 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x132 | N/A |
| 120.010 | Deposits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x7 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x175 | N/A |
| 130.010 | Debt securities issued/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x7 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x176 | N/A |
| 140.010 | Other financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x7 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x131 | N/A |
| 141.010 | Non-trading non-derivative financial liabilities measured at a cost-based method/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x24 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x132 | N/A |
| 142.010 | Deposits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x24 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x175 | N/A |
| 143.010 | Debt securities issued/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x24 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x176 | N/A |
| 144.010 | Other financial liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x24 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x131 | N/A |
| 150.010 | Derivatives – Hedge accounting/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x18 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x122 | N/A |
| 160.010 | Fair value changes of the hedged items in portfolio hedge of interest rate risk/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | cbi_AP:x1 | cbi_MC:x174 | N/A | cbi_MC:x167 | cbi_MC:x173 |
| 170.010 | Provisions/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x130 | N/A |
| 175.010 | Funds for general banking risks [if presented within liabilities]/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x177 | cbi_MC:x130 | N/A |
| 180.010 | Pension and other post employment defined benefit obligations/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x178 | cbi_MC:x130 | N/A |
| 190.010 | Other long term employee benefits/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x135 | cbi_MC:x130 | N/A |
| 200.010 | Restructuring/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x179 | cbi_MC:x130 | N/A |
| 210.010 | Pending legal issues and tax litigation/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x180 | cbi_MC:x130 | N/A |
| 220.010 | Commitments and guarantees given/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x181 | cbi_MC:x130 | N/A |
| 230.010 | Other provisions/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | cbi_MC:x182 | cbi_MC:x130 | N/A |
| 240.010 | Tax liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x128 | N/A |
| 250.010 | Current tax liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x129 | N/A |
| 260.010 | Deferred tax liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x183 | N/A |
| 270.010 | Share capital repayable on demand/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x184 | N/A |
| 280.010 | Other liabilities/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x4 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x127 | N/A |
| 290.010 | Liabilities included in disposal groups classified as held for sale/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | cbi_PL:x20 | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x126 | N/A |
| 295.010 | Haircuts for trading liabilities at fair value/Carrying amount | cbi_met:mi25 | xbrli:monetaryItemType | instant | N/A | cbi_BA:x6 | N/A | N/A | N/A | cbi_MC:x185 | N/A |