v3.26.1
Segment Results - Segment Results of Operations (Detail) - EUR (€)
€ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disclosure of operating segments [line items]          
Net revenues € 9,168   € 8,339 € 16,985 € 16,471
Provision for credit losses 460 € 519 423 979 894
Noninterest expenses:          
Compensation and benefits 3,108   2,894 6,037 5,935
General and administrative expenses 2,233   2,065 4,415 4,245
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities (1)   0 0 (5)
Noninterest expenses 5,340   4,959 10,451 10,175
Noncontrolling interests 0   0 0 0
Profit (loss) before tax 3,368   2,957 5,555 5,402
Private
Bank          
Disclosure of operating segments [line items]          
Net revenues 2,566   2,371 5,133 4,810
Provision for credit losses 177   118 356 336
Noninterest expenses:          
Compensation and benefits 766   675 1,467 1,414
General and administrative expenses 1,020   972 2,025 1,970
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities (2)   1 0 (5)
Noninterest expenses 1,784   1,648 3,492 3,379
Noncontrolling interests 0   0 0 0
Profit (loss) before tax 605   605 1,286 1,094
Asset
Management          
Disclosure of operating segments [line items]          
Net revenues 756   725 1,558 1,455
Provision for credit losses 0   0 0 0
Noninterest expenses:          
Compensation and benefits 243   226 486 476
General and administrative expenses 226   212 428 428
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities 0   0 0 0
Noninterest expenses 469   438 914 905
Noncontrolling interests 63   62 140 121
Profit (loss) before tax 224   225 504 429
Corporate
Bank          
Disclosure of operating segments [line items]          
Net revenues 1,906   1,896 3,722 3,763
Provision for credit losses 38   22 86 99
Noninterest expenses:          
Compensation and benefits 445   399 864 803
General and administrative expenses 733   737 1,458 1,491
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities 0   0 0 0
Noninterest expenses 1,177   1,137 2,322 2,294
Noncontrolling interests 0   0 0 0
Profit (loss) before tax 691   738 1,314 1,370
Investment
Bank          
Disclosure of operating segments [line items]          
Net revenues 3,185   2,687 6,558 6,049
Provision for credit losses 174   259 464 422
Noninterest expenses:          
Compensation and benefits 781   721 1,509 1,473
General and administrative expenses 918   879 1,833 1,776
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities 0   0 0 0
Noninterest expenses 1,699   1,600 3,342 3,250
Noncontrolling interests 1   2 2 6
Profit (loss) before tax 1,311   826 2,751 2,371
Corporate &
Other          
Disclosure of operating segments [line items]          
Net revenues 754   660 13 396
Provision for credit losses 70   25 72 37
Noninterest expenses:          
Compensation and benefits 874   873 1,711 1,769
General and administrative expenses (664)   (736) (1,329) (1,422)
Impairment of goodwill and other intangible assets 0   0 0 0
Restructuring activities 0   0 0 0
Noninterest expenses 210   137 382 348
Noncontrolling interests (64)   (65) (142) (127)
Profit (loss) before tax € 537   € 563 € (299) € 138