Xbrl Validation __link__ Jun 2026
| Tool | Type | Best for | |------|------|-----------| | (free, open-source) | Desktop/CLI | Full XBRL validation, formula, dimensions | | EDGAR Online Validator (free) | Web | SEC-specific pre-filing check | | ESMA ESEF Conformance Suite | Web/CLI | European filers | | Certent / Workiva / Toppan Merrill | Commercial platforms | Integrated authoring + validation | | XBRL Cloud | API/SaaS | Automated pipeline validation |
The XBRL validation process typically involves the following steps: xbrl validation
| Failure Type | Example | Fix | |--------------|---------|-----| | Missing context period | Fact without startDate / endDate for duration | Assign correct period context | | Duplicate facts | Two facts with same concept, entity, period, unit | Merge or differentiate with dimensions | | Undefined unit | shares not declared in taxonomy units | Use standard unit shares or define custom | | Inconsistent decimals | decimals="INF" on a rounded number | Set appropriate decimal precision | | Calculation out-of-balance | NetIncomeLoss doesn’t match Revenues - Expenses | Adjust source values or override rule with @balance=”false” (use cautiously) | | Tool | Type | Best for |
Regulators like the SEC (EDGAR Filer Manual) require precise validation of tagged financial statements, including Inline XBRL (iXBRL) filings. It transforms raw financial data into a reliable,
Most filers focus on the last level because that’s where regulator-specific rejections happen.
XBRL validation is the automated process of checking digital financial reports against strict rules to ensure data quality, accuracy, and compliance before submission. It transforms raw financial data into a reliable, machine-readable format that regulators and investors can trust. Why Validation is Critical
The company views the XBRL document to verify that the rendered financial statements align with the original report. Final Submission: Validated reports are filed. Types of XBRL Validation Rules