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Business	12 Months Ended
Business	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business Description of Business LKQ Corporation, a Delaware corporation, is a holding company and all operations are conducted by subsidiaries. When the terms "LKQ," "the Company," "we," "us," or "our" are used in this document, those terms refer to LKQ Corporation and its consolidated subsidiaries. We are a global distributor of vehicle products, including replacement parts, components, and systems used in the repair and maintenance of vehicles, and specialty vehicle aftermarket products and accessories designed to improve the performance, functionality and appearance of vehicles. We operate in the United States, Canada, Germany, the United Kingdom, the Benelux region (Belgium, Netherlands, and Luxembourg), Italy, Czech Republic, Austria, Slovakia, Poland, and various other European countries. We are organized into four operating segments: Wholesale - North America, Europe, Specialty, and Self Service. We aggregate our Wholesale - North America and Self Service operating segments into one reportable segment, North America, resulting in three reportable segments: North America, Europe and Specialty. Basis of Presentation The Consolidated Financial Statements have been prepared in conformity with US GAAP and the rules and regulations of the U.S. Securities and Exchange Commission ("SEC").