This research aims to show the extent of the commitment of listed companies on the Damascus Securities Exchange of segment disclosure in accordance with the requirements of the International Financial Reporting Standard IFRS (8) "Operating Segments", as the segment disclosure provides more details of the information collected at the macro level of the facility, since the segments of facility in some cases, similar to an independent and complete units ,each with its own characteristics to be disclosed separately. This research is divided into two parts: Theoretical and Empirical, in the first part the researcher takes the concept of segment disclosure and the nature of the information provided about the facility, and the historical development of the segment disclosure at the level of international accounting standards, and then displays the requirements of the standard IFRS (8) "Operating Segments". The Empirical study is conducted by analyzing and comparing the disclosed segment information in the financial reports of the listed companies in the Damascus Securities Exchange, with the segment information required to be disclosed in accordance with the requirements of the standard IFRS (8) "Operating Segments", The researcher found that there are two companies from listed companies do not disclose any segment information, and that companies disclose about their segments, do not comply fully with the requirements of the standard IFRS (8) and segments information disclosed is the closest to the requirements of the segments disclosure in accordance with the previous standard IAS (14).The results of the empirical study showed that the listed companies in Damascus Securities Exchange disclose basis for the determination of operating segments covered in the financial reports, as it discloses information about profit or loss, income and expenses, assets and liabilities for its operating segments in accordance with the requirements of the standard IFRS (8), while they do not commit to segment disclosures required at the macro scale property.