v3.25.4
Note 7 Changes in allowances of loans and advances at amortized cost (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Changes in allowances of loans and advances at amortised cost [Line Items]      
Gross carrying amount loans and advances at amortized cost € 455,016 € 413,585  
Gross carrying amount loans and advances at amortized cost 507,842 455,016 € 413,585
Changes in allowances of loans and advances at amortized cost [Member]      
Changes in allowances of loans and advances at amortised cost [Line Items]      
Gross carrying amount loans and advances at amortized cost (11,630) (11,316) (11,291)
Transfers of financial assets (3,690) (3,031) (2,790)
Transfers from stage 1 to stage 2 (753) (594) (563)
Transfers from stage 2 to stage 1 260 275 210
Transfers to stage 3 (3,639) (3,259) (2,734)
Transfers from stage 3 442 548 297
Net annual origination of allowances (1,573) (2,174) (846)
Becoming write offs 3,796 3,337 3,071
Methodological changes and adoption of new standards 0    
Net foreign exchange loss 737 1,613 160
Increase (decrease) through other movements, financial assets (525) (304) (252)
Other impairment losses 493 246 631
Gross carrying amount loans and advances at amortized cost (12,394) (11,630) (11,316)
Stage 1 [Member] | Changes in allowances of loans and advances at amortized cost [Member]      
Changes in allowances of loans and advances at amortised cost [Line Items]      
Gross carrying amount loans and advances at amortized cost (2,406) (2,131) (2,065)
Transfers of financial assets 157 105 73
Transfers from stage 1 to stage 2 117 103 118
Transfers from stage 2 to stage 1 (60) (53) (113)
Transfers to stage 3 109 93 81
Transfers from stage 3 (9) (38) (13)
Net annual origination of allowances (864) (1,059) (466)
Becoming write offs 413 321 147
Methodological changes and adoption of new standards 0    
Net foreign exchange loss 86 325 (52)
Increase (decrease) through other movements, financial assets 2 3 3
Other impairment losses 158 30 229
Gross carrying amount loans and advances at amortized cost (2,455) (2,406) (2,131)
Stage 2 [Member] | Changes in allowances of loans and advances at amortized cost [Member]      
Changes in allowances of loans and advances at amortised cost [Line Items]      
Gross carrying amount loans and advances at amortized cost (1,848) (2,026) (1,942)
Transfers of financial assets (349) (370) (336)
Transfers from stage 1 to stage 2 (870) (697) (681)
Transfers from stage 2 to stage 1 320 327 323
Transfers to stage 3 282 146 120
Transfers from stage 3 (81) (146) (97)
Net annual origination of allowances (254) 10 (148)
Becoming write offs 100 107 71
Methodological changes and adoption of new standards 0    
Net foreign exchange loss 204 213 44
Increase (decrease) through other movements, financial assets (13) 35 49
Other impairment losses 207 183 235
Gross carrying amount loans and advances at amortized cost (1,953) (1,848) (2,026)
Stage 3 [Member] | Changes in allowances of loans and advances at amortized cost [Member]      
Changes in allowances of loans and advances at amortised cost [Line Items]      
Gross carrying amount loans and advances at amortized cost (7,375) (7,158) (7,284)
Transfers of financial assets (3,498) (2,766) (2,527)
Transfers from stage 1 to stage 2 0 0 0
Transfers from stage 2 to stage 1 0 0 0
Transfers to stage 3 (4,030) (3,498) (2,935)
Transfers from stage 3 532 732 408
Net annual origination of allowances (455) (1,125) (232)
Becoming write offs 3,283 2,909 2,853
Methodological changes and adoption of new standards 0    
Net foreign exchange loss 446 1,075 169
Increase (decrease) through other movements, financial assets (515) (342) (304)
Other impairment losses 128 33 167
Gross carrying amount loans and advances at amortized cost € (7,985) € (7,375) € (7,158)