v3.25.4
Risk Report - Credit Risk Exposure - Credit Risk Profile by Industry Sector (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Total    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk € 1,247,548 € 1,209,964
Total | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 640 602
Total | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 11,025 12,293
Total | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 98,274 102,375
Total | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 19,210 19,541
Total | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2,386 2,070
Total | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 14,881 11,793
Total | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 46,620 47,904
Total | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 12,883 12,710
Total | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 5,311 4,311
Total | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 29,151 30,918
Total | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 490,078 [1] 474,109 [2]
Total | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 56,939 [3] 62,114 [4]
Total | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 28,079 15,075
Total | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13,920 15,661
Total | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 157,158 139,577
Total | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 814 797
Total | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 6,201 6,550
Total | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2,305 2,124
Total | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 19,050 20,514
Total | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 218,703 225,190
Total | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13,920 3,735
Revocable and Irrevocable Lending Commitments    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 274,305 [5],[6],[7] 269,699 [8],[9]
Revocable and Irrevocable Lending Commitments | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 262 [5] 239 [9]
Revocable and Irrevocable Lending Commitments | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,533 [5] 5,934 [9]
Revocable and Irrevocable Lending Commitments | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 53,985 [5] 56,933 [9]
Revocable and Irrevocable Lending Commitments | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8,956 [5] 8,870 [9]
Revocable and Irrevocable Lending Commitments | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,042 [5] 1,013 [9]
Revocable and Irrevocable Lending Commitments | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,764 [5] 3,039 [9]
Revocable and Irrevocable Lending Commitments | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 17,358 [5] 18,290 [9]
Revocable and Irrevocable Lending Commitments | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 5,784 [5] 5,373 [9]
Revocable and Irrevocable Lending Commitments | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,393 [5] 1,314 [9]
Revocable and Irrevocable Lending Commitments | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13,486 [5] 16,501 [9]
Revocable and Irrevocable Lending Commitments | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 97,880 [1],[5] 95,492 [2],[9]
Revocable and Irrevocable Lending Commitments | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 7,566 [3],[5] 7,868 [4],[9]
Revocable and Irrevocable Lending Commitments | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 12,733 [5] 5,754 [9]
Revocable and Irrevocable Lending Commitments | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 5,163 [5] 5,025 [9]
Revocable and Irrevocable Lending Commitments | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8,755 [5] 7,438 [9]
Revocable and Irrevocable Lending Commitments | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 153 [5] 99 [9]
Revocable and Irrevocable Lending Commitments | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,784 [5] 1,850 [9]
Revocable and Irrevocable Lending Commitments | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,255 [5] 1,166 [9]
Revocable and Irrevocable Lending Commitments | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,043 [5] 7,013 [9]
Revocable and Irrevocable Lending Commitments | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 24,412 [5] 20,488 [9]
Revocable and Irrevocable Lending Commitments | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1 [5] 1 [9]
Contingent Liabilities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 79,092 73,468
Contingent Liabilities | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13 24
Contingent Liabilities | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,410 1,275
Contingent Liabilities | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13,742 14,331
Contingent Liabilities | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,009 4,489
Contingent Liabilities | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 405 264
Contingent Liabilities | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,732 3,244
Contingent Liabilities | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 6,106 6,339
Contingent Liabilities | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,524 1,201
Contingent Liabilities | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 150 150
Contingent Liabilities | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2,863 3,014
Contingent Liabilities | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 38,349 [1] 34,889 [2]
Contingent Liabilities | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 321 [3] 399 [4]
Contingent Liabilities | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,125 2,129
Contingent Liabilities | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 907 493
Contingent Liabilities | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 148 120
Contingent Liabilities | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 14 55
Contingent Liabilities | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 93 91
Contingent Liabilities | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 96 83
Contingent Liabilities | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 833 628
Contingent Liabilities | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 249 246
Contingent Liabilities | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4 3
Financial assets at amortised cost | Loans    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 484,270 [10],[11],[12] 489,579 [13],[14],[15]
Financial assets at amortised cost | Loans | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 346 [10] 336 [15]
Financial assets at amortised cost | Loans | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,964 [10] 1,885 [15]
Financial assets at amortised cost | Loans | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 26,496 [10] 26,634 [15]
Financial assets at amortised cost | Loans | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,787 [10] 4,346 [15]
Financial assets at amortised cost | Loans | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 675 [10] 595 [15]
Financial assets at amortised cost | Loans | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,628 [10] 4,330 [15]
Financial assets at amortised cost | Loans | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 21,094 [10] 21,405 [15]
Financial assets at amortised cost | Loans | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,580 [10] 4,766 [15]
Financial assets at amortised cost | Loans | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,560 [10] 2,665 [15]
Financial assets at amortised cost | Loans | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8,920 [10] 8,930 [15]
Financial assets at amortised cost | Loans | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 129,848 [1],[10] 126,640 [2],[15]
Financial assets at amortised cost | Loans | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 45,505 [3],[10] 49,859 [4],[15]
Financial assets at amortised cost | Loans | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 9,873 [10] 6,276 [15]
Financial assets at amortised cost | Loans | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 6,820 [10] 8,921 [15]
Financial assets at amortised cost | Loans | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 7,758 [10] 5,740 [15]
Financial assets at amortised cost | Loans | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 249 [10] 295 [15]
Financial assets at amortised cost | Loans | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,808 [10] 4,130 [15]
Financial assets at amortised cost | Loans | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 851 [10] 820 [15]
Financial assets at amortised cost | Loans | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8,731 [10] 6,719 [15]
Financial assets at amortised cost | Loans | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 193,777 [10] 204,282 [15]
Financial assets at amortised cost | Loans | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4 [10] 5 [15]
Financial assets at amortised cost | Debt securities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 40,285 [16],[17],[18] 21,655 [19],[20],[21]
Financial assets at amortised cost | Debt securities | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 41 [21]
Financial assets at amortised cost | Debt securities | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 23 [21]
Financial assets at amortised cost | Debt securities | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 49 [16] 71 [21]
Financial assets at amortised cost | Debt securities | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 360 [16] 264 [21]
Financial assets at amortised cost | Debt securities | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 118 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 243 [16] 159 [21]
Financial assets at amortised cost | Debt securities | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 5 [21]
Financial assets at amortised cost | Debt securities | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 7 [16] 31 [21]
Financial assets at amortised cost | Debt securities | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 6,916 [1],[16] 5,379 [2],[21]
Financial assets at amortised cost | Debt securities | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 81 [3],[16] 198 [4],[21]
Financial assets at amortised cost | Debt securities | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 48 [21]
Financial assets at amortised cost | Debt securities | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 19 [21]
Financial assets at amortised cost | Debt securities | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 24,233 [16] 14,160 [21]
Financial assets at amortised cost | Debt securities | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 108 [16] 103 [21]
Financial assets at amortised cost | Debt securities | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 153 [16] 450 [21]
Financial assets at amortised cost | Debt securities | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [16] 0 [21]
Financial assets at amortised cost | Debt securities | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8,017 [16] 704 [21]
Financial assets at amortised cost | Repo and repo-style transactions    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 37,514 [22],[23],[24] 40,846 [25],[26]
Financial assets at amortised cost | Repo and repo-style transactions | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 52 [23] 43 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 37,362 [1],[23] 40,437 [2],[26]
Financial assets at amortised cost | Repo and repo-style transactions | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 101 [3],[23] 324 [4],[26]
Financial assets at amortised cost | Repo and repo-style transactions | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 42 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at amortised cost | Repo and repo-style transactions | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Trading financial assets at fair value through profit or loss | Loans    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 12,842 11,380
Trading financial assets at fair value through profit or loss | Loans | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2 0
Trading financial assets at fair value through profit or loss | Loans | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,629 2,392
Trading financial assets at fair value through profit or loss | Loans | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 747 525
Trading financial assets at fair value through profit or loss | Loans | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 256 632
Trading financial assets at fair value through profit or loss | Loans | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 39 0
Trading financial assets at fair value through profit or loss | Loans | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 451 244
Trading financial assets at fair value through profit or loss | Loans | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 375 165
Trading financial assets at fair value through profit or loss | Loans | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 36 416
Trading financial assets at fair value through profit or loss | Loans | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 81 64
Trading financial assets at fair value through profit or loss | Loans | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,172 757
Trading financial assets at fair value through profit or loss | Loans | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 5,441 [1] 3,944 [2]
Trading financial assets at fair value through profit or loss | Loans | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,445 [3] 1,005 [4]
Trading financial assets at fair value through profit or loss | Loans | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 269 133
Trading financial assets at fair value through profit or loss | Loans | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 128 319
Trading financial assets at fair value through profit or loss | Loans | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 384 458
Trading financial assets at fair value through profit or loss | Loans | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 76 17
Trading financial assets at fair value through profit or loss | Loans | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 91 29
Trading financial assets at fair value through profit or loss | Loans | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 17 4
Trading financial assets at fair value through profit or loss | Loans | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 191 260
Trading financial assets at fair value through profit or loss | Loans | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [10] 0
Trading financial assets at fair value through profit or loss | Loans | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 12 17
Financial assets at fair value through profit or loss | Loans    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,370 1,954
Financial assets at fair value through profit or loss | Loans | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Loans | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 41 66
Financial assets at fair value through profit or loss | Loans | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 195 5
Financial assets at fair value through profit or loss | Loans | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 5 0
Financial assets at fair value through profit or loss | Loans | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Loans | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 179 0
Financial assets at fair value through profit or loss | Loans | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 178 103
Financial assets at fair value through profit or loss | Loans | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2 63
Financial assets at fair value through profit or loss | Loans | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 33 0
Financial assets at fair value through profit or loss | Loans | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 22 16
Financial assets at fair value through profit or loss | Loans | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,354 [1] 1,177 [2]
Financial assets at fair value through profit or loss | Loans | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 147 [3] 136 [4]
Financial assets at fair value through profit or loss | Loans | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 118 0
Financial assets at fair value through profit or loss | Loans | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 161 95
Financial assets at fair value through profit or loss | Loans | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 10 14
Financial assets at fair value through profit or loss | Loans | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Loans | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Loans | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Loans | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 923 280
Financial assets at fair value through profit or loss | Loans | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [10] 0
Financial assets at fair value through profit or loss | Loans | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Derivatives    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 24,336 [27],[28],[29] 26,900 [30],[31]
Financial assets at fair value through profit or loss | Derivatives | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [27] 1 [31]
Financial assets at fair value through profit or loss | Derivatives | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 853 [27] 145 [31]
Financial assets at fair value through profit or loss | Derivatives | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 789 [27] 1,205 [31]
Financial assets at fair value through profit or loss | Derivatives | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 207 [27] 150 [31]
Financial assets at fair value through profit or loss | Derivatives | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 141 [27] 50 [31]
Financial assets at fair value through profit or loss | Derivatives | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 74 [27] 13 [31]
Financial assets at fair value through profit or loss | Derivatives | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 239 [27] 180 [31]
Financial assets at fair value through profit or loss | Derivatives | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 184 [27] 164 [31]
Financial assets at fair value through profit or loss | Derivatives | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4 [27] 2 [31]
Financial assets at fair value through profit or loss | Derivatives | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 351 [27] 384 [31]
Financial assets at fair value through profit or loss | Derivatives | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 19,636 [1],[27] 22,093 [2],[31]
Financial assets at fair value through profit or loss | Derivatives | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 185 [3],[27] 326 [4],[31]
Financial assets at fair value through profit or loss | Derivatives | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 42 [27] 161 [31]
Financial assets at fair value through profit or loss | Derivatives | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 226 [27] 138 [31]
Financial assets at fair value through profit or loss | Derivatives | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 358 [27] 286 [31]
Financial assets at fair value through profit or loss | Derivatives | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 33 [27] 55 [31]
Financial assets at fair value through profit or loss | Derivatives | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 17 [27] 46 [31]
Financial assets at fair value through profit or loss | Derivatives | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 18 [27] 17 [31]
Financial assets at fair value through profit or loss | Derivatives | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 713 [27] 1,305 [31]
Financial assets at fair value through profit or loss | Derivatives | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 265 [27] 174 [31]
Financial assets at fair value through profit or loss | Derivatives | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1 [27] 4 [31]
Financial assets at fair value through profit or loss | Debt securities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 135,575 127,744
Financial assets at fair value through profit or loss | Debt securities | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 16 2
Financial assets at fair value through profit or loss | Debt securities | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 595 553
Financial assets at fair value through profit or loss | Debt securities | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,362 1,389
Financial assets at fair value through profit or loss | Debt securities | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 766 915
Financial assets at fair value through profit or loss | Debt securities | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 71 143
Financial assets at fair value through profit or loss | Debt securities | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 377 344
Financial assets at fair value through profit or loss | Debt securities | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 446 612
Financial assets at fair value through profit or loss | Debt securities | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 408 461
Financial assets at fair value through profit or loss | Debt securities | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 88 90
Financial assets at fair value through profit or loss | Debt securities | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,930 1,048
Financial assets at fair value through profit or loss | Debt securities | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 35,177 [1] 29,863 [2]
Financial assets at fair value through profit or loss | Debt securities | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,314 [3] 1,277 [4]
Financial assets at fair value through profit or loss | Debt securities | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 556 256
Financial assets at fair value through profit or loss | Debt securities | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 422 471
Financial assets at fair value through profit or loss | Debt securities | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 82,712 83,873
Financial assets at fair value through profit or loss | Debt securities | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 207 262
Financial assets at fair value through profit or loss | Debt securities | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 206 289
Financial assets at fair value through profit or loss | Debt securities | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 46 19
Financial assets at fair value through profit or loss | Debt securities | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,106 3,514
Financial assets at fair value through profit or loss | Debt securities | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 0
Financial assets at fair value through profit or loss | Debt securities | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,770 2,362
Financial assets at fair value through profit or loss | Repo and repo-style transactions    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 112,315 [22],[23],[24] 104,649 [25],[26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 37 [23] 42 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 111,332 [1],[23] 104,150 [2],[26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2 [3],[23] 7 [4],[26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 7 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 23 [23] 16 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 631 [23] 110 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 1 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 279 [23] 207 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 0 [26]
Financial assets at fair value through profit or loss | Repo and repo-style transactions | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [23] 117 [26]
Financial assets at fair value through other comprehensive income | Loans    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4,432 [32],[33],[34] 5,068 [35],[36],[37]
Financial assets at fair value through other comprehensive income | Loans | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 0 [37]
Financial assets at fair value through other comprehensive income | Loans | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 0 [37]
Financial assets at fair value through other comprehensive income | Loans | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 814 [32] 1,195 [37]
Financial assets at fair value through other comprehensive income | Loans | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 82 [32] 38 [37]
Financial assets at fair value through other comprehensive income | Loans | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 4 [32] 3 [37]
Financial assets at fair value through other comprehensive income | Loans | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 55 [32] 30 [37]
Financial assets at fair value through other comprehensive income | Loans | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 699 [32] 809 [37]
Financial assets at fair value through other comprehensive income | Loans | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 98 [32] 103 [37]
Financial assets at fair value through other comprehensive income | Loans | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 19 [37]
Financial assets at fair value through other comprehensive income | Loans | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 396 [32] 237 [37]
Financial assets at fair value through other comprehensive income | Loans | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,845 [1],[32] 1,589 [2],[37]
Financial assets at fair value through other comprehensive income | Loans | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 56 [3],[32] 535 [4],[37]
Financial assets at fair value through other comprehensive income | Loans | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 238 [32] 214 [37]
Financial assets at fair value through other comprehensive income | Loans | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 62 [32] 161 [37]
Financial assets at fair value through other comprehensive income | Loans | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 24 [37]
Financial assets at fair value through other comprehensive income | Loans | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 0 [37]
Financial assets at fair value through other comprehensive income | Loans | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8 [32] 12 [37]
Financial assets at fair value through other comprehensive income | Loans | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 13 [32] 15 [37]
Financial assets at fair value through other comprehensive income | Loans | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 62 [32] 81 [37]
Financial assets at fair value through other comprehensive income | Loans | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 0 [37]
Financial assets at fair value through other comprehensive income | Loans | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [32] 0 [37]
Financial assets at fair value through other comprehensive income | Debt securities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 38,084 [38],[39],[40] 34,236 [41],[42],[43]
Financial assets at fair value through other comprehensive income | Debt securities | Agriculture, forestry and fishing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [38] 0 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Mining and quarrying    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [38] 2 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Manufacturing    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 57 [38] 50 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Electricity, gas, steam and air conditioning supply    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 94 [38] 28 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Water supply, sewerage, waste management and remediation activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 11 [38] 1 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Construction    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 260 [38] 285 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Wholesale and retail trade, repair of motor vehicles and motorcycles    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 6 [38] 3 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Transport and storage    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 25 [38] 3 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Accommodation and food service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 2 [38] 1 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Information and communication    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [38] 0 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 3,810 [1],[38] 5,671 [2],[43]
Financial assets at fair value through other comprehensive income | Debt securities | Real estate activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 215 [3],[38] 181 [4],[43]
Financial assets at fair value through other comprehensive income | Debt securities | Professional, scientific and technical activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 119 [38] 105 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Administrative and support service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 8 [38] 4 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Public administration and defense, compulsory social security    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 32,171 [38] 27,354 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Education    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 82 [38] 14 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Human health services and social work activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 86 [38] 0 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Arts, entertainment and recreation    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 10 [38] 0 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Other service activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 16 [38] 13 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 0 [38] 0 [43]
Financial assets at fair value through other comprehensive income | Debt securities | Activities of extraterritorial organizations and bodies    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,112 [38] 522 [43]
Financial assets at fair value through other comprehensive income | Repo and repo-style transactions    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk 1,128 [22],[23],[24] 2,786 [25],[26]
Financial assets at fair value through other comprehensive income | Repo and repo-style transactions | Financial and insurance activities    
Credit Risk Profile by Industry Sector [Line Items]    
Maximum exposure to credit risk € 1,128 [1],[23] € 2,786 [2],[26]
[1] Includes exposure to Corporates including Holding Companies of € 108 billion, Asset-Backed Securities of € 47 billion, Banks of € 91 billion, Insurance of € 21 billion,
Financial Intermediaries of € 13 billion and Public Sector of € 16 billion , all based on internal client classification
[2] Includes exposure to Corporates including Holding Companies of € 108 billion, Asset-Backed Securities of € 49 billion, Banks of € 66 billion, Insurance of € 9 billion,
Financial Intermediaries of € 15 billion and Public Sector of € 17 billion, all based on internal client classification
[3] Non-recourse Commercial Real Estate portfolio based on Deutsche Bank’s definition is € 31 billion
[4] Non-recourse Commercial Real Estate portfolio based on Deutsche Bank’s definition is € 36 billion
[5] 3 Includes stage 3 and stage 3 POCI off-balance sheet exposure amounting to € 2.7 billion as of December 31, 2025
[6] Includes stage 3 and stage 3 POCI off-balance sheet exposure amounting to € 2.7 billion as of December 31, 2025
[7] Includes stage 3 and stage 3 POCI off-balance sheet exposure amounting to € 2.7 billion as of December 31, 2025
[8] Includes stage 3 and stage 3 POCI off-balance sheet exposure amounting to € 2.2 billion as of December 31, 2024
[9] Includes stage 3 and stage 3 POCI off-balance sheet exposure amounting to € 2.2 billion as of December 31, 2024
[10] Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.3 billion as of December 31, 2025
[11] Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.3 billion as of December 31, 2025
[12] Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.3 billion as of December 31, 2025
[13] Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.6 billion as of December 31, 2024
[14] Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.6 billion as of December 31, 2024
[15] 1 Includes stage 3 and stage 3 POCI loans at amortized cost amounting to € 15.6 billion as of December 31, 2024
[16] Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 25.3 million as of December 31, 2025
[17] Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 25.3 million as of December 31, 2025
[18] Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 25.3 million as of December 31, 2025
[19] 5 Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 41.6 million as of December 31, 2024
[20] Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 41.6 million as of December 31, 2024
[21] Includes stage 3 and stage 3 POCI debt securities at amortized cost amounting to € 41.6 million as of December 31, 2024
[22] 7 Before reflection of collateral and limited to securities purchased under resale agreements and securities borrowed
[23] Before reflection of collateral and limited to securities purchased under resale agreements and securities borrowed
[24] Before reflection of collateral and limited to securities purchased under resale agreements and securities borrowed
[25] Before reflection of collateral and limited to securities purchased under resale agreements and securities borrowed
[26] Before reflection of collateral and limited to securities purchased under resale agreements and securities borrowed
[27] Includes the effect of netting agreements and cash collateral received where applicable. Excludes derivatives qualifying for hedge accounting
[28] 4 Includes the effect of netting agreements and cash collateral received where applicable. Excludes derivatives qualifying for hedge accounting
[29] Includes the effect of netting agreements and cash collateral received where applicable. Excludes derivatives qualifying for hedge accounting
[30] Includes the effect of netting agreements and cash collateral received where applicable. Excludes derivatives qualifying for hedge accounting
[31] Includes the effect of netting agreements and cash collateral received where applicable. Excludes derivatives qualifying for hedge accounting
[32] Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to € 16.9 million as of December 31, 2025
[33] Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to € 16.9 million as of December 31, 2025
[34] Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to € 16.9 million as of December 31, 2025
[35] Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to € 60.7 million as of December 31, 2024
[36]   Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to € 60.7 million as of December 31, 2024
[37] 2 Includes stage 3 and stage 3 POCI loans at fair value through OCI amounting to €60.7 million as of December 31, 2024
[38] Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 130.2 million as of December 31, 2025
[39] Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 130.2 million as of December 31, 2025
[40] Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 130.2 million as of December 31, 2025
[41] Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 25.6 million as of December 31, 2024
[42] Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 25.6 million as of December 31, 2024
[43] 6 Includes stage 3 and stage 3 POCI debt securities at fair value through OCI amounting to € 25.6 million as of December 31, 2024