External resource

XBRL 2.1 specification

Primary technical specification for XBRL instances, facts, contexts, units, and related structures.

Authority and currency

About this authority

Publisher
XBRL International
Standing
Primary authority
Version
Specification index verified 2026-08-08
Relevant parts
Facts, contexts, units, and instance documents
Currency
current · checked Aug 8, 2026

Open the primary source

A fact's meaning depends on its complete context and unit, not only its numeric value and concept name.