Need to dive deeper? Start with your regulator’s official XBRL filing manual — it contains the definitive list of validation rules you must satisfy.
If you’ve ever filed financial reports in XBRL (eXtensible Business Reporting Language) — whether with the SEC, ESMA, or other regulators — you’ve likely encountered the term XBRL validation . But what does it actually mean? And why does it cause so much anxiety for reporting teams? xbrl validation
In short: XBRL validation is the process of checking an XBRL instance document against a set of rules to ensure it is technically correct, regulator-compliant, and fit for consumption. Need to dive deeper
Let’s break down the key concepts, common pitfalls, and best practices. XBRL validation isn’t a single test — it’s a family of checks. These fall into three broad levels: But what does it actually mean
| Level | What It Checks | Example | |-------|----------------|---------| | | Basic XML syntax | Missing closing tag, illegal characters | | Schema validation | Structure against XBRL schema | Wrong element name, missing required attribute | | Business rules / regulatory validation | Domain-specific logic | Sum of segments equals total; inappropriate negative values |
