10-K
XBRL
AT&T 2011 FORM 10-K
- Company
- AT&T INC.
- Filed
- February 24, 2012
- Period of Report
- December 31, 2011
- Accession Number
- 0000732717-12-000025
A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →