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Segments - Summary of segments banking (Details) - EUR (€) € in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Disclosure of operating segments [line items] |  |
Net interest income | € 7,290 | € 7,762
Net fee and commission income | 2,216 | 1,998
– of which revaluations and trading income | 2,773 | 3,016
– of which Regulatory expenses | 439 | 446
Addition to loan loss provisions | 612 | 559
Total expenses | 6,846 | 6,439
Result before tax | 5,558 | 6,373
Taxation | 1,516 | 1,798
Non-controlling interests | 127 | 118
Net result | 3,915 | 4,456
EU IAS 39 carve out impact |  |
Disclosure of operating segments [line items] |  |
Taxation | (279) | (414)
Net result | (786) | (1,099)
Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 3,915 | 4,456
Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 7,159 | 7,655
Net fee and commission income | 2,216 | 1,998
Total investment and other income | 1,965 | 1,647
– of which share of result from associates and joint ventures | 85 | 19
– of which revaluations and trading income | 1,839 | 1,610
Total income | 11,339 | 11,300
Operating expenses | 6,234 | 5,880
– of which Regulatory expenses | 439 | 446
Addition to loan loss provisions | 612 | 559
Total expenses | 6,846 | 6,439
Result before tax | 4,493 | 4,861
Taxation | 1,237 | 1,385
Non-controlling interests | 127 | 118
Net result | 3,130 | 3,358
Segments banking activities | EU IAS 39 carve out impact |  |
Disclosure of operating segments [line items] |  |
Net result | 786 | 1,099
Retail Netherlands | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 1,029 | 1,072
Retail Netherlands | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 1,508 | 1,534
Net fee and commission income | 540 | 513
Total investment and other income | 403 | 376
– of which share of result from associates and joint ventures | (4) |
– of which revaluations and trading income | 383 | 355
Total income | 2,451 | 2,423
Operating expenses | 981 | 1,023
– of which Regulatory expenses |  | 41
Addition to loan loss provisions | 72 | (43)
Total expenses | 1,054 | 980
Result before tax | 1,398 | 1,443
Taxation | 369 | 371
Net result | 1,029 | 1,072
Retail Belgium | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 164 | 248
Retail Belgium | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 886 | 1,052
Net fee and commission income | 339 | 306
Total investment and other income | 73 | 43
– of which share of result from associates and joint ventures | 75 | (2)
– of which revaluations and trading income | 48 | 22
Total income | 1,298 | 1,402
Operating expenses | 995 | 980
– of which Regulatory expenses | 226 | 175
Addition to loan loss provisions | 76 | 65
Total expenses | 1,072 | 1,045
Result before tax | 226 | 357
Taxation | 62 | 109
Non-controlling interests | 0 | 0
Net result | 164 | 248
Retail Germany | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 450 | 540
Retail Germany | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 1,215 | 1,337
Net fee and commission income | 287 | 212
Total investment and other income | (77) | (51)
– of which revaluations and trading income | (84) | (56)
Total income | 1,425 | 1,498
Operating expenses | 680 | 628
– of which Regulatory expenses | 25 | 40
Addition to loan loss provisions | 77 | 65
Total expenses | 758 | 693
Result before tax | 667 | 805
Taxation | 216 | 265
Non-controlling interests | 1 | 1
Net result | 450 | 540
Retail Other | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 546 | 465
Retail Other | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 1,929 | 1,884
Net fee and commission income | 356 | 293
Total investment and other income | 164 | 120
– of which share of result from associates and joint ventures | 5 | 4
– of which revaluations and trading income | 148 | 108
Total income | 2,449 | 2,297
Operating expenses | 1,436 | 1,388
– of which Regulatory expenses | 136 | 136
Addition to loan loss provisions | 159 | 176
Total expenses | 1,595 | 1,564
Result before tax | 854 | 733
Taxation | 202 | 173
Non-controlling interests | 106 | 96
Net result | 546 | 465
Wholesale Banking | EU IAS 39 carve out impact |  |
Disclosure of operating segments [line items] |  |
Net result | 786 | 1,099
Wholesale Banking | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | 1,748 | 2,293
Wholesale Banking | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 1,412 | 1,737
Net fee and commission income | 696 | 676
Total investment and other income | 1,344 | 1,166
– of which share of result from associates and joint ventures | (58) | (43)
– of which revaluations and trading income | 1,340 | 1,215
Total income | 3,452 | 3,580
Operating expenses | 1,901 | 1,662
– of which Regulatory expenses | 51 | 54
Addition to loan loss provisions | 227 | 295
Total expenses | 2,128 | 1,957
Result before tax | 1,324 | 1,623
Taxation | 342 | 406
Non-controlling interests | 19 | 22
Net result | 962 | 1,194
Wholesale Banking | Segments banking activities | EU IAS 39 carve out impact |  |
Disclosure of operating segments [line items] |  |
Net result | 786 | 1,099
Corporate Line | Segments banking activities |  |
Disclosure of operating segments [line items] |  |
Net result | (21) | (161)
Corporate Line | Segments banking activities | Net Results IFRS-EU |  |
Disclosure of operating segments [line items] |  |
Net interest income | 209 | 111
Net fee and commission income | (2) | (3)
Total investment and other income | 57 | (8)
– of which share of result from associates and joint ventures | 66 | 61
– of which revaluations and trading income | 3 | (33)
Total income | 265 | 99
Operating expenses | 239 | 199
– of which Regulatory expenses | 0 | 0
Addition to loan loss provisions | 0 | 0
Total expenses | 240 | 199
Result before tax | 25 | (100)
Taxation | 45 | 61
Non-controlling interests | 0 |
Net result | € (21) | € (161)

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