v3.25.4
Risk management - Non-performing Loans: outstandings by economic sectors and geographical area (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Wholesale Banking    
Non performing Loans [line items]    
Increase (decrease) in financial assets € 600  
Retail Challengers & Growth Markets    
Non performing Loans [line items]    
Increase (decrease) in financial assets 300  
Financial assets past due but not impaired    
Non performing Loans [line items]    
Financial assets 12,981 € 13,295
Financial assets past due but not impaired | Retail Banking    
Non performing Loans [line items]    
Financial assets 8,392 8,099
Financial assets past due but not impaired | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 4,589 5,196
Financial assets past due but not impaired | Netherlands    
Non performing Loans [line items]    
Financial assets 1,686 1,549
Financial assets past due but not impaired | Belgium    
Non performing Loans [line items]    
Financial assets 3,105 3,071
Financial assets past due but not impaired | Germany    
Non performing Loans [line items]    
Financial assets 1,454 1,432
Financial assets past due but not impaired | Poland    
Non performing Loans [line items]    
Financial assets 1,546 1,457
Financial assets past due but not impaired | Spain    
Non performing Loans [line items]    
Financial assets 470 432
Financial assets past due but not impaired | United Kingdom    
Non performing Loans [line items]    
Financial assets 181 322
Financial assets past due but not impaired | France    
Non performing Loans [line items]    
Financial assets 108 307
Financial assets past due but not impaired | Luxembourg    
Non performing Loans [line items]    
Financial assets 242 166
Financial assets past due but not impaired | Rest of Europe    
Non performing Loans [line items]    
Financial assets 1,786 1,916
Financial assets past due but not impaired | America    
Non performing Loans [line items]    
Financial assets 1,257 1,145
Financial assets past due but not impaired | Asia    
Non performing Loans [line items]    
Financial assets 488 723
Financial assets past due but not impaired | Australia    
Non performing Loans [line items]    
Financial assets 483 567
Financial assets past due but not impaired | Africa    
Non performing Loans [line items]    
Financial assets 175 210
Financial assets past due but not impaired | Private Individuals    
Non performing Loans [line items]    
Financial assets 4,902 4,769
Financial assets past due but not impaired | Private Individuals | Retail Banking    
Non performing Loans [line items]    
Financial assets 4,899 4,766
Financial assets past due but not impaired | Private Individuals | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 3 4
Financial assets past due but not impaired | Private Individuals | Netherlands    
Non performing Loans [line items]    
Financial assets 697 646
Financial assets past due but not impaired | Private Individuals | Belgium    
Non performing Loans [line items]    
Financial assets 1,481 1,461
Financial assets past due but not impaired | Private Individuals | Germany    
Non performing Loans [line items]    
Financial assets 1,113 1,066
Financial assets past due but not impaired | Private Individuals | Poland    
Non performing Loans [line items]    
Financial assets 220 210
Financial assets past due but not impaired | Private Individuals | Spain    
Non performing Loans [line items]    
Financial assets 357 304
Financial assets past due but not impaired | Private Individuals | United Kingdom    
Non performing Loans [line items]    
Financial assets 10 10
Financial assets past due but not impaired | Private Individuals | France    
Non performing Loans [line items]    
Financial assets 8 8
Financial assets past due but not impaired | Private Individuals | Luxembourg    
Non performing Loans [line items]    
Financial assets 39 44
Financial assets past due but not impaired | Private Individuals | Rest of Europe    
Non performing Loans [line items]    
Financial assets 574 545
Financial assets past due but not impaired | Private Individuals | America    
Non performing Loans [line items]    
Financial assets 2 2
Financial assets past due but not impaired | Private Individuals | Asia    
Non performing Loans [line items]    
Financial assets 2 2
Financial assets past due but not impaired | Private Individuals | Australia    
Non performing Loans [line items]    
Financial assets 399 469
Financial assets past due but not impaired | Private Individuals | Africa    
Non performing Loans [line items]    
Financial assets 1
Financial assets past due but not impaired | Natural Resources    
Non performing Loans [line items]    
Financial assets 1,061 1,064
Financial assets past due but not impaired | Natural Resources | Retail Banking    
Non performing Loans [line items]    
Financial assets 115 99
Financial assets past due but not impaired | Natural Resources | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 945 965
Financial assets past due but not impaired | Natural Resources | Netherlands    
Non performing Loans [line items]    
Financial assets 137 13
Financial assets past due but not impaired | Natural Resources | Belgium    
Non performing Loans [line items]    
Financial assets 84 54
Financial assets past due but not impaired | Natural Resources | Germany    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Natural Resources | Poland    
Non performing Loans [line items]    
Financial assets 28 33
Financial assets past due but not impaired | Natural Resources | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Natural Resources | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Natural Resources | France    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Natural Resources | Luxembourg    
Non performing Loans [line items]    
Financial assets 14
Financial assets past due but not impaired | Natural Resources | Rest of Europe    
Non performing Loans [line items]    
Financial assets 584 569
Financial assets past due but not impaired | Natural Resources | America    
Non performing Loans [line items]    
Financial assets 23 31
Financial assets past due but not impaired | Natural Resources | Asia    
Non performing Loans [line items]    
Financial assets 191 343
Financial assets past due but not impaired | Natural Resources | Australia    
Non performing Loans [line items]    
Financial assets 21
Financial assets past due but not impaired | Natural Resources | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Food, Beverages & Personal Care    
Non performing Loans [line items]    
Financial assets 697 809
Financial assets past due but not impaired | Food, Beverages & Personal Care | Retail Banking    
Non performing Loans [line items]    
Financial assets 325 357
Financial assets past due but not impaired | Food, Beverages & Personal Care | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 372 452
Financial assets past due but not impaired | Food, Beverages & Personal Care | Netherlands    
Non performing Loans [line items]    
Financial assets 167 196
Financial assets past due but not impaired | Food, Beverages & Personal Care | Belgium    
Non performing Loans [line items]    
Financial assets 94 154
Financial assets past due but not impaired | Food, Beverages & Personal Care | Germany    
Non performing Loans [line items]    
Financial assets 1 1
Financial assets past due but not impaired | Food, Beverages & Personal Care | Poland    
Non performing Loans [line items]    
Financial assets 94 93
Financial assets past due but not impaired | Food, Beverages & Personal Care | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Food, Beverages & Personal Care | United Kingdom    
Non performing Loans [line items]    
Financial assets 19 23
Financial assets past due but not impaired | Food, Beverages & Personal Care | France    
Non performing Loans [line items]    
Financial assets 6 5
Financial assets past due but not impaired | Food, Beverages & Personal Care | Luxembourg    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Food, Beverages & Personal Care | Rest of Europe    
Non performing Loans [line items]    
Financial assets 126 158
Financial assets past due but not impaired | Food, Beverages & Personal Care | America    
Non performing Loans [line items]    
Financial assets 59 51
Financial assets past due but not impaired | Food, Beverages & Personal Care | Asia    
Non performing Loans [line items]    
Financial assets 131 127
Financial assets past due but not impaired | Food, Beverages & Personal Care | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Food, Beverages & Personal Care | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Transportation & Logistics    
Non performing Loans [line items]    
Financial assets 478 504
Financial assets past due but not impaired | Transportation & Logistics | Retail Banking    
Non performing Loans [line items]    
Financial assets 227 157
Financial assets past due but not impaired | Transportation & Logistics | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 251 347
Financial assets past due but not impaired | Transportation & Logistics | Netherlands    
Non performing Loans [line items]    
Financial assets 87 93
Financial assets past due but not impaired | Transportation & Logistics | Belgium    
Non performing Loans [line items]    
Financial assets 40 40
Financial assets past due but not impaired | Transportation & Logistics | Germany    
Non performing Loans [line items]    
Financial assets 3
Financial assets past due but not impaired | Transportation & Logistics | Poland    
Non performing Loans [line items]    
Financial assets 136 124
Financial assets past due but not impaired | Transportation & Logistics | Spain    
Non performing Loans [line items]    
Financial assets 47 47
Financial assets past due but not impaired | Transportation & Logistics | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Transportation & Logistics | France    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Transportation & Logistics | Luxembourg    
Non performing Loans [line items]    
Financial assets 22 1
Financial assets past due but not impaired | Transportation & Logistics | Rest of Europe    
Non performing Loans [line items]    
Financial assets 72 136
Financial assets past due but not impaired | Transportation & Logistics | America    
Non performing Loans [line items]    
Financial assets 22
Financial assets past due but not impaired | Transportation & Logistics | Asia    
Non performing Loans [line items]    
Financial assets 10
Financial assets past due but not impaired | Transportation & Logistics | Australia    
Non performing Loans [line items]    
Financial assets 1 1
Financial assets past due but not impaired | Transportation & Logistics | Africa    
Non performing Loans [line items]    
Financial assets 41 59
Financial assets past due but not impaired | Services    
Non performing Loans [line items]    
Financial assets 469 495
Financial assets past due but not impaired | Services | Retail Banking    
Non performing Loans [line items]    
Financial assets 375 394
Financial assets past due but not impaired | Services | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 94 102
Financial assets past due but not impaired | Services | Netherlands    
Non performing Loans [line items]    
Financial assets 68 57
Financial assets past due but not impaired | Services | Belgium    
Non performing Loans [line items]    
Financial assets 262 293
Financial assets past due but not impaired | Services | Germany    
Non performing Loans [line items]    
Financial assets 5
Financial assets past due but not impaired | Services | Poland    
Non performing Loans [line items]    
Financial assets 75 87
Financial assets past due but not impaired | Services | Spain    
Non performing Loans [line items]    
Financial assets 1 2
Financial assets past due but not impaired | Services | United Kingdom    
Non performing Loans [line items]    
Financial assets 1
Financial assets past due but not impaired | Services | France    
Non performing Loans [line items]    
Financial assets 3 3
Financial assets past due but not impaired | Services | Luxembourg    
Non performing Loans [line items]    
Financial assets 4 5
Financial assets past due but not impaired | Services | Rest of Europe    
Non performing Loans [line items]    
Financial assets 16 10
Financial assets past due but not impaired | Services | America    
Non performing Loans [line items]    
Financial assets 26 34
Financial assets past due but not impaired | Services | Asia    
Non performing Loans [line items]    
Financial assets 13
Financial assets past due but not impaired | Services | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Services | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Real Estate    
Non performing Loans [line items]    
Financial assets 1,241 1,434
Financial assets past due but not impaired | Real Estate | Retail Banking    
Non performing Loans [line items]    
Financial assets 656 603
Financial assets past due but not impaired | Real Estate | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 586 831
Financial assets past due but not impaired | Real Estate | Netherlands    
Non performing Loans [line items]    
Financial assets 24 12
Financial assets past due but not impaired | Real Estate | Belgium    
Non performing Loans [line items]    
Financial assets 419 374
Financial assets past due but not impaired | Real Estate | Germany    
Non performing Loans [line items]    
Financial assets 59 63
Financial assets past due but not impaired | Real Estate | Poland    
Non performing Loans [line items]    
Financial assets 115 114
Financial assets past due but not impaired | Real Estate | Spain    
Non performing Loans [line items]    
Financial assets 45 59
Financial assets past due but not impaired | Real Estate | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Real Estate | France    
Non performing Loans [line items]    
Financial assets 47 59
Financial assets past due but not impaired | Real Estate | Luxembourg    
Non performing Loans [line items]    
Financial assets 101 90
Financial assets past due but not impaired | Real Estate | Rest of Europe    
Non performing Loans [line items]    
Financial assets 8 6
Financial assets past due but not impaired | Real Estate | America    
Non performing Loans [line items]    
Financial assets 377 606
Financial assets past due but not impaired | Real Estate | Asia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Real Estate | Australia    
Non performing Loans [line items]    
Financial assets 48 52
Financial assets past due but not impaired | Real Estate | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | General Industries    
Non performing Loans [line items]    
Financial assets 713 687
Financial assets past due but not impaired | General Industries | Retail Banking    
Non performing Loans [line items]    
Financial assets 471 451
Financial assets past due but not impaired | General Industries | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 243 236
Financial assets past due but not impaired | General Industries | Netherlands    
Non performing Loans [line items]    
Financial assets 137 153
Financial assets past due but not impaired | General Industries | Belgium    
Non performing Loans [line items]    
Financial assets 138 123
Financial assets past due but not impaired | General Industries | Germany    
Non performing Loans [line items]    
Financial assets 38 24
Financial assets past due but not impaired | General Industries | Poland    
Non performing Loans [line items]    
Financial assets 196 147
Financial assets past due but not impaired | General Industries | Spain    
Non performing Loans [line items]    
Financial assets 20 20
Financial assets past due but not impaired | General Industries | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | General Industries | France    
Non performing Loans [line items]    
Financial assets 2
Financial assets past due but not impaired | General Industries | Luxembourg    
Non performing Loans [line items]    
Financial assets 13 1
Financial assets past due but not impaired | General Industries | Rest of Europe    
Non performing Loans [line items]    
Financial assets 130 170
Financial assets past due but not impaired | General Industries | America    
Non performing Loans [line items]    
Financial assets 10 17
Financial assets past due but not impaired | General Industries | Asia    
Non performing Loans [line items]    
Financial assets 31 30
Financial assets past due but not impaired | General Industries | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | General Industries | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors    
Non performing Loans [line items]    
Financial assets 571 496
Financial assets past due but not impaired | Builders & Contractors | Retail Banking    
Non performing Loans [line items]    
Financial assets 541 445
Financial assets past due but not impaired | Builders & Contractors | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 31 51
Financial assets past due but not impaired | Builders & Contractors | Netherlands    
Non performing Loans [line items]    
Financial assets 89 68
Financial assets past due but not impaired | Builders & Contractors | Belgium    
Non performing Loans [line items]    
Financial assets 219 175
Financial assets past due but not impaired | Builders & Contractors | Germany    
Non performing Loans [line items]    
Financial assets 7 5
Financial assets past due but not impaired | Builders & Contractors | Poland    
Non performing Loans [line items]    
Financial assets 182 162
Financial assets past due but not impaired | Builders & Contractors | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | France    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | Luxembourg    
Non performing Loans [line items]    
Financial assets 8 7
Financial assets past due but not impaired | Builders & Contractors | Rest of Europe    
Non performing Loans [line items]    
Financial assets 66 78
Financial assets past due but not impaired | Builders & Contractors | America    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | Asia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Builders & Contractors | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Retail    
Non performing Loans [line items]    
Financial assets 373 381
Financial assets past due but not impaired | Retail | Retail Banking    
Non performing Loans [line items]    
Financial assets 189 224
Financial assets past due but not impaired | Retail | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 184 157
Financial assets past due but not impaired | Retail | Netherlands    
Non performing Loans [line items]    
Financial assets 80 53
Financial assets past due but not impaired | Retail | Belgium    
Non performing Loans [line items]    
Financial assets 79 97
Financial assets past due but not impaired | Retail | Germany    
Non performing Loans [line items]    
Financial assets 33 39
Financial assets past due but not impaired | Retail | Poland    
Non performing Loans [line items]    
Financial assets 56 62
Financial assets past due but not impaired | Retail | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Retail | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Retail | France    
Non performing Loans [line items]    
Financial assets 1 3
Financial assets past due but not impaired | Retail | Luxembourg    
Non performing Loans [line items]    
Financial assets 4
Financial assets past due but not impaired | Retail | Rest of Europe    
Non performing Loans [line items]    
Financial assets 15 14
Financial assets past due but not impaired | Retail | America    
Non performing Loans [line items]    
Financial assets 105 97
Financial assets past due but not impaired | Retail | Asia    
Non performing Loans [line items]    
Financial assets 15
Financial assets past due but not impaired | Retail | Australia    
Non performing Loans [line items]    
Financial assets 1
Financial assets past due but not impaired | Retail | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Utilities    
Non performing Loans [line items]    
Financial assets 362 600
Financial assets past due but not impaired | Utilities | Retail Banking    
Non performing Loans [line items]    
Financial assets 26 19
Financial assets past due but not impaired | Utilities | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 336 582
Financial assets past due but not impaired | Utilities | Netherlands    
Non performing Loans [line items]    
Financial assets 14 13
Financial assets past due but not impaired | Utilities | Belgium    
Non performing Loans [line items]    
Financial assets 10 8
Financial assets past due but not impaired | Utilities | Germany    
Non performing Loans [line items]    
Financial assets 19 25
Financial assets past due but not impaired | Utilities | Poland    
Non performing Loans [line items]    
Financial assets 8 21
Financial assets past due but not impaired | Utilities | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Utilities | United Kingdom    
Non performing Loans [line items]    
Financial assets 151 285
Financial assets past due but not impaired | Utilities | France    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Utilities | Luxembourg    
Non performing Loans [line items]    
Financial assets 1
Financial assets past due but not impaired | Utilities | Rest of Europe    
Non performing Loans [line items]    
Financial assets 12 12
Financial assets past due but not impaired | Utilities | America    
Non performing Loans [line items]    
Financial assets 80 128
Financial assets past due but not impaired | Utilities | Asia    
Non performing Loans [line items]    
Financial assets 33 109
Financial assets past due but not impaired | Utilities | Australia    
Non performing Loans [line items]    
Financial assets 35
Financial assets past due but not impaired | Utilities | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals    
Non performing Loans [line items]    
Financial assets 752 839
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Retail Banking    
Non performing Loans [line items]    
Financial assets 150 185
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 602 654
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Netherlands    
Non performing Loans [line items]    
Financial assets 47 37
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Belgium    
Non performing Loans [line items]    
Financial assets 65 94
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Germany    
Non performing Loans [line items]    
Financial assets 112 84
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Poland    
Non performing Loans [line items]    
Financial assets 346 340
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | United Kingdom    
Non performing Loans [line items]    
Financial assets 1
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | France    
Non performing Loans [line items]    
Financial assets 43 110
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Luxembourg    
Non performing Loans [line items]    
Financial assets 25
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Rest of Europe    
Non performing Loans [line items]    
Financial assets 64 113
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | America    
Non performing Loans [line items]    
Financial assets 49 36
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Asia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Australia    
Non performing Loans [line items]    
Financial assets 24
Financial assets past due but not impaired | Chemicals, Health & Pharmaceuticals | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom    
Non performing Loans [line items]    
Financial assets 206 163
Financial assets past due but not impaired | Telecom | Retail Banking    
Non performing Loans [line items]    
Financial assets 36 12
Financial assets past due but not impaired | Telecom | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 170 151
Financial assets past due but not impaired | Telecom | Netherlands    
Non performing Loans [line items]    
Financial assets 37 7
Financial assets past due but not impaired | Telecom | Belgium    
Non performing Loans [line items]    
Financial assets 4 1
Financial assets past due but not impaired | Telecom | Germany    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom | Poland    
Non performing Loans [line items]    
Financial assets 3 3
Financial assets past due but not impaired | Telecom | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom | United Kingdom    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom | France    
Non performing Loans [line items]    
Financial assets 44
Financial assets past due but not impaired | Telecom | Luxembourg    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom | Rest of Europe    
Non performing Loans [line items]    
Financial assets 15 14
Financial assets past due but not impaired | Telecom | America    
Non performing Loans [line items]    
Financial assets 146 90
Financial assets past due but not impaired | Telecom | Asia    
Non performing Loans [line items]    
Financial assets 2 4
Financial assets past due but not impaired | Telecom | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Telecom | Africa    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Other    
Non performing Loans [line items]    
Financial assets 1,154 1,052
Financial assets past due but not impaired | Other | Retail Banking    
Non performing Loans [line items]    
Financial assets 383 387
Financial assets past due but not impaired | Other | Wholesale Banking    
Non performing Loans [line items]    
Financial assets 771 666
Financial assets past due but not impaired | Other | Netherlands    
Non performing Loans [line items]    
Financial assets 102 202
Financial assets past due but not impaired | Other | Belgium    
Non performing Loans [line items]    
Financial assets 209 198
Financial assets past due but not impaired | Other | Germany    
Non performing Loans [line items]    
Financial assets 72 117
Financial assets past due but not impaired | Other | Poland    
Non performing Loans [line items]    
Financial assets 88 60
Financial assets past due but not impaired | Other | Spain    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Other | United Kingdom    
Non performing Loans [line items]    
Financial assets 2 2
Financial assets past due but not impaired | Other | France    
Non performing Loans [line items]    
Financial assets 1 72
Financial assets past due but not impaired | Other | Luxembourg    
Non performing Loans [line items]    
Financial assets 10 17
Financial assets past due but not impaired | Other | Rest of Europe    
Non performing Loans [line items]    
Financial assets 105 90
Financial assets past due but not impaired | Other | America    
Non performing Loans [line items]    
Financial assets 358 54
Financial assets past due but not impaired | Other | Asia    
Non performing Loans [line items]    
Financial assets 75 92
Financial assets past due but not impaired | Other | Australia    
Non performing Loans [line items]    
Financial assets
Financial assets past due but not impaired | Other | Africa    
Non performing Loans [line items]    
Financial assets € 132 € 150