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General
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
General General
Delek US Holdings, Inc. operates through its consolidated subsidiaries, which include Delek US Energy, Inc. ("Delek Energy") (and its subsidiaries) and Alon USA Energy, Inc. ("Alon") (and its subsidiaries).
Effective July 1, 2017 (the "Effective Time"), we acquired the outstanding common stock of Alon (previously listed under New York Stock Exchange ("NYSE"): ALJ) (the "Delek/Alon Merger"), resulting in a new post-combination consolidated registrant renamed as Delek US Holdings, Inc.
Unless otherwise noted or the context requires otherwise, the terms "we," "our," "us," "Delek" and the "Company" are used in this report to refer to Delek and its consolidated subsidiaries for all periods presented. Delek's Common Stock is listed on the NYSE under the symbol "DK."