AT&T Inc. is a holding company. The Company is a provider of telecommunications, media and technology services globally. The Company operates through three segments: Communication segment, WarnerMedia segment, and Latin America segment. The Communications segment provides wireless and wireline telecom, video and broadband services to consumers. The business units of the Communication segment includes Mobility, Entertainment Group and Business Wireline. The WarnerMedia segment develops, produces and distributes feature films, television, gaming and other content over various physical and digital formats. WarnerMedia segment also includes Xandr, which provides advertising services. Latin America segment provides wireless services in Mexico. Mexico is the business unit of the Latin America segment. Its Xandr segment provides advertising services.