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Document and Entity Information
Mar. 05, 2025
Cover [Abstract]  
Document Period End Date Mar. 05, 2025
Entity Registrant Name ON SEMICONDUCTOR CORP
Amendment Flag false
Entity Central Index Key 0001097864
Document Type 8-K
Entity Incorporation State Country Code DE
Entity File Number 001-39317
Entity Tax Identification Number 36-3840979
Entity Address, Address Line One ON Semiconductor Corporation
Entity Address, Address Line Two 5701 N. Pima Road
Entity Address, City or Town Scottsdale
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85250
City Area Code (602)
Local Phone Number 244-6600
Written Communications true
Soliciting Material true
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.01 per share
Trading Symbol ON
Security Exchange Name NASDAQ
Entity Emerging Growth Company false