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Risk management - Retail Banking: Forborne portfolio by geographical area (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of credit risk exposure [line items] |  |
Forborne assets | € 13,089 | € 16,438
Belgium | Forbearance |  |
Disclosure of credit risk exposure [line items] |  |
Increase (decrease)of forborne assets, percentage | 30.60% | 32.70%
Of which: non-performing |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | € 5,042 | € 5,585
Of which: non-performing | Netherlands | Forbearance |  |
Disclosure of credit risk exposure [line items] |  |
Increase (decrease)of forborne assets, percentage | 21.10% | 35.00%
Of which: non-performing | Belgium | Forbearance |  |
Disclosure of credit risk exposure [line items] |  |
Increase (decrease)of forborne assets, percentage | 45.40% | 42.30%
Of which: non-performing | Germany | Forbearance |  |
Disclosure of credit risk exposure [line items] |  |
Increase (decrease)of forborne assets, percentage | 18.60% | 10.00%
Retail Banking |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | € 7,026 | € 8,080
Retail Banking | Netherlands |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1,483 | 2,832
Retail Banking | Belgium |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 2,153 | 2,644
Retail Banking | Germany |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1,309 | 804
Retail Banking | Poland |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 852 | 588
Retail Banking | Türkiye |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 25 | 64
Retail Banking | Italy |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 123 | 131
Retail Banking | Romania |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 135 | 124
Retail Banking | Spain |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 138 | 35
Retail Banking | Rest of Europe |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 88 | 73
Retail Banking | America |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 21 | 13
Retail Banking | Asia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 2 | 3
Retail Banking | Australia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 697 | 768
Retail Banking | Africa |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets |  | 1
Retail Banking | Performing Exposure [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 4,128 | 4,973
Retail Banking | Performing Exposure [Member] | Netherlands |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 981 | 2,043
Retail Banking | Performing Exposure [Member] | Belgium |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 838 | 1,331
Retail Banking | Performing Exposure [Member] | Germany |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1,064 | 610
Retail Banking | Performing Exposure [Member] | Poland |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 522 | 309
Retail Banking | Performing Exposure [Member] | Türkiye |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 15 | 31
Retail Banking | Performing Exposure [Member] | Italy |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 51 | 52
Retail Banking | Performing Exposure [Member] | Romania |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 49 | 53
Retail Banking | Performing Exposure [Member] | Spain |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 118 | 15
Retail Banking | Performing Exposure [Member] | Rest of Europe |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 58 | 48
Retail Banking | Performing Exposure [Member] | America |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 20 | 12
Retail Banking | Performing Exposure [Member] | Asia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1 | 1
Retail Banking | Performing Exposure [Member] | Australia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 411 | 467
Retail Banking | Performing Exposure [Member] | Africa |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets |  |
Retail Banking | Non-performing exposure |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 2,898 | 3,107
Retail Banking | Non-performing exposure | Netherlands |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 502 | 789
Retail Banking | Non-performing exposure | Belgium |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1,315 | 1,314
Retail Banking | Non-performing exposure | Germany |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 246 | 194
Retail Banking | Non-performing exposure | Poland |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 330 | 279
Retail Banking | Non-performing exposure | Türkiye |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 10 | 32
Retail Banking | Non-performing exposure | Italy |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 71 | 79
Retail Banking | Non-performing exposure | Romania |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 86 | 71
Retail Banking | Non-performing exposure | Spain |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 21 | 20
Retail Banking | Non-performing exposure | Rest of Europe |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 30 | 25
Retail Banking | Non-performing exposure | America |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets |  |
Retail Banking | Non-performing exposure | Asia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 1 | 1
Retail Banking | Non-performing exposure | Australia |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | 286 | 302
Retail Banking | Non-performing exposure | Africa |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets |  |
Retail Banking | Of which: non-performing |  |
Disclosure of credit risk exposure [line items] |  |
Forborne assets | € 2,898 | € 3,107

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