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A Getting Started Guide: Experimenting with LLMs for XBRL Analysis

April 24, 2025

The exciting potential of using Large Language Models (LLMs) to analyse financial data, especially structured data like XBRL reports, is becoming increasingly apparent. Imagine asking an LLM to summarise key financial insights directly from an XBRL document – this is the kind of experiment many are eager to begin. However, those embarking on this venture […]

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Leveraging LLMs for Smarter Taxonomy Interactions

February 20, 2025

This article by XBRL International Guidance Manager Revathy Ramanan is based on her presentation at Data Amplified 2024. You can also watch the original video here. In previous blogs, I’ve explored how we can leverage large language models (LLMs) like ChatGPT to significantly facilitate and enhance the analysis of XBRL reports, including both numeric data and […]

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Why Structured Data and Definitions Vastly Outperform Unstructured PDFs in LLM Analysis

December 19, 2024

This article by XBRL International Guidance Manager Revathy Ramanan is based on her presentation at Data Amplified 2024. You can also watch the original video here. Large language models like ChatGPT are fascinating. They’re transforming how we understand and interact with data – and I’ve been particularly curious to explore how we can use LLMs […]

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Narrative disclosure analysis with GPT-4

June 6, 2024

New technologies such as machine learning and generative AI are creating exciting new opportunities for understanding business performance. In particular, they can crack open relatively intractable data that is difficult to analyse conventionally, making it easier to access new insights without deep technical knowledge. In my last blog post I began to explore how GPT-4 […]

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How well do AI models like GPT-4 understand XBRL Data?

January 18, 2024

A couple of weeks ago, in the XBRL International newsletter, we commented unfavourably on the use of PDF versions of SEC filings as inputs to Large Language Models (LLMs). We are much more interested in how these tools can be leveraged to examine structured data, such as the Inline XBRL formatted structured filings provided to […]

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Calculations 1.1: getting rid of the noise

January 11, 2024

XBRL Calculations can play an important role in ensuring the quality and accuracy of a financial report, and can flag up errors in both the XBRL tagging and the underlying numbers.  Unfortunately, until now, calculation validation reports have been hampered by false positives — validation messages that don’t reflect real issues in the report. The […]

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Deeper insights and easier analysis with XBRL data

March 30, 2023

Last week’s news story about FFIEC data got a lot of attention. That data – and an almost unlimited amount more, is also available to you! In this blog, our Guidance Manager, Revathy Ramanan, gives you some insights. A wealth of public data is available in machine-readable XBRL format. Just a few examples include EU […]

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Guidance on Block Tagging and Other ESEF Reporting Manual Updates from ESMA

September 8, 2022

The European Securities and Markets Authority (ESMA) has recently published an updated version of the ESEF Reporting Manual. The next reporting cycle will see a significant expansion of the European Single Electronic Format (ESEF) tagging requirements, with preparers now required to tag the notes that accompany their financial statement. The updates to the reporting manual […]

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Insights from Japan’s Digitally Tagged KAMs: 4 – Granular narrative tags are more useful

June 30, 2022

This is part of a short series on initial insights from our analysis of digital KAMs data being collected in Japan for the first time. For the first post and introduction, start here. In the earlier posts in this series, we used specific digitally tagged segments of Key Audit Matters (KAMs)  — called “Critical Audit […]

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Insights from Japan’s Digitally Tagged KAMs: 3 – Seeing Similarity in Text Disclosures

June 23, 2022

This is part of a short series on initial insights from our analysis of digital KAMs data being collected in Japan for the first time. For the first post and introduction, start here. In the earlier posts in this series, we looked at how digital tagging of Key Audit Matters (KAMs) using XBRL is helpful […]

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