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Organization and Business Description	12 Months Ended
Organization and Business Description	Dec. 31, 2014
Organization and Business Description
Organization and Business Description	1. Organization and Business Description United Therapeutics Corporation is a biotechnology company focused on the development and commercialization of innovative products to address the unmet medical needs of patients with chronic and life-threatening conditions. As used in these notes to the consolidated financial statements, unless the context otherwise requires, the terms "we", "us", "our," and similar terms refer to United Therapeutics Corporation and its consolidated subsidiaries. We have approval from the United States Food and Drug Administration (FDA) to market the following therapies: Remodulin® (treprostinil) Injection (Remodulin), Tyvaso® (treprostinil) Inhalation Solution (Tyvaso), Adcirca® (tadalafil) Tablets (Adcirca) and Orenitram® (treprostinil) Extended-Release Tablets (Orenitram). We commenced commercial sales of Orenitram during the second quarter of 2014. Remodulin has also been approved in various countries outside the United States.