This is the schema file (elements) for the US GAAP Financial Reporting Taxonomy.

https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd
Object typeCount
Reporting Concepts c73bd045718e2d10f97f754c65f7121ac488a81817864
Custom Types73
Extensible Enumeration Sets45
Dimensions281
Role Types578