One financial metric reported by every company for a single period, for cross-company comparison.
Returns one XBRL concept and period across all reporting companies at once, so you can compare or rank a single metric (e.g. accounts payable for Q1 2019) over the whole market.
taxonomy is usually us-gaap. unit is the unit of measure, e.g. USD. period uses SEC frame format: CY#### for a year, CY####Q# for a quarter, and a trailing I for an instantaneous (point-in-time) value, e.g. CY2019Q1I.
XBRL concept tag, e.g. Revenues, AccountsPayableCurrent.
Unit of measure, e.g. USD. Ratios use forms like USD-per-shares.
SEC frame period: CY#### (year), CY####Q# (quarter), trailing I for instantaneous, e.g. CY2019Q1I.
XBRL taxonomy, usually "us-gaap".