— Some validators show warnings for style issues. Regulators may reject filings for warnings if they indicate material errors.
The initial process where financial data is matched to taxonomy concepts. Instance Document Generation: The XBRL file is created.
This validates that numerical facts add up correctly. For example, if "Net Income" is defined as "Revenue" minus "Expenses," the validation check confirms this formula holds true within the instance document. 2. XBRL Formula Rules xbrl validation
Let’s break down the key concepts, common pitfalls, and best practices.
Validated XBRL data allows investors to compare company performance across industries and countries easily. — Some validators show warnings for style issues
A passing validation report doesn’t just mean you can file — it means:
XBRL validation is essential for several reasons: Instance Document Generation: The XBRL file is created
Regulators like the SEC (EDGAR Filer Manual) require precise validation of tagged financial statements, including Inline XBRL (iXBRL) filings.
🔍 Real-world example: The SEC’s EDGAR system performs over 50 validation checks on an XBRL filing. A single failure — like a miscalculated Abstract element — can bounce the submission.
These are more complex, business-driven rules, often defined to check for consistency across the document. For example, a validation rule might check that the total "Assets" reported in the balance sheet matches the "Assets" total in the cash flow statement. 3. Dimensional Validation
To ensure effective XBRL validation, follow these best practices: