Banco Santander, S.A.
COMPANY
6-K
FORM
2026-07-24
FILING DATE
2026-06-30
Q2 PERIOD END
4056
FACTS
SIC 6029
Filing Software Workiva
CIK 0000891478
Taxonomy SEC IFRS 2025  
SIC 6029
CIK 0000891478
Filing Software Workiva
Taxonomy SEC IFRS 2025  
Standard Concepts
441
Extended Concepts
520
54%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
Data Quality Errors
0
What are data quality errors?
What are data quality errors?
Indicate areas that may not meet the standards set by the Data Quality Committee (DQC), and may reveal areas where the XBRL can be improved.
WARNING
1 fact(s) appearing in ix:hidden were eligible for transformation: san:SubordinatedIssueInitialInterestRateTerm
What are possible issues?
What are possible issues?
Indicate areas of interest as to the quality of an XBRL formatted filing, and in some cases reveal opportunities for improvement of the XBRL filing.