Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2022	Feb. 24, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-38142
Entity Registrant Name	DELEK US HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	35-2581557
Entity Address, Address Line One	310 Seven Springs Way
Entity Address, Address Line Two	Suite 400 and 500
Entity Address, City or Town	Brentwood
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37027
City Area Code	615
Local Phone Number	771-6701
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	DK
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 1,810,814,000
Common Stock, Shares, Outstanding		66,941,871
Documents Incorporated by Reference	Portions of the registrant's definitive Proxy Statement to be delivered to stockholders in connection with the 2023 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after December 31, 2022, are incorporated by reference into Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0001694426
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false