Xbrl Validation |link| May 2026

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.

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: xbrl validation

| 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 | In short: XBRL validation is the process of