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Cover Page - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Cover Page - USD ($) $ / shares in Units, $ in Millions	Dec. 31, 2024	Jan. 31, 2025	Jun. 30, 2024	Dec. 31, 2023
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Entity File Number	1-14287
Entity Registrant Name	Centrus Energy Corp.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	52-2107911
Entity Address, Address Line One	6901 Rockledge Drive, Suite 800
Entity Address, City or Town	Bethesda
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	20817
City Area Code	(301)
Local Phone Number	564-3200
Title of 12(b) Security	Class A Common Stock, par value $0.10 per share
Trading Symbol	LEU
Security Exchange Name	NYSEAMER
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Central Index Key	0001065059
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 614.2
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Type	10-K
ICFR Auditor Attestation Flag	true
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the definitive proxy statement for the 2025 annual meeting of shareholders to be filed with the Securities and Exchange Commission within 120 days after the end of fiscal year 2024 are incorporated by reference into Part III of this Annual Report on Form 10-K.
Document Financial Statement Error Correction [Flag]	false
Common Class A [Member]
Common Stock, Par or Stated Value Per Share	$ 0.10			$ 0.10
Entity Common Stock, Shares Outstanding		16,045,916
Common Class B [Member]
Common Stock, Par or Stated Value Per Share	$ 0.10			$ 0.10
Entity Common Stock, Shares Outstanding		719,200