# FERC XBRL Extractor > FERC XBRL Extractor 1.11.3.dev3 documentation 2022-2026, Catalyst Cooperative, CC-BY-4.0 ## Pages in this subsection - [ferc_xbrl_extractor.arelle_interface](index.html.md): Abstract away interface to Arelle XBRL Library. ## Optional - [Top-level llms.txt](../../../llms.txt): Complete documentation index.