Improve data quality: use a common rule set to identify and fix issues before SEC submission.
The 2011 US GAAP Financial Reporting Taxonomy has been acknowledged by the SEC and is now available for use. It can be downloaded in its entirety from the links at the bottom of this page, along with other resources for implementation and use.
Namespace (all elements): http://xbrl.fasb.org/us-gaap/2011Recommended Namespace Prefix: us-gaapCore schema and standard labels: http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-std-2011-01-31.xsd