v3.25.2
Cover Page - shares
9 Months Ended
Jun. 30, 2025
Aug. 01, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-37884  
Entity Registrant Name VALVOLINE INC.  
Entity Incorporation, State or Country Code KY  
Entity Tax Identification Number 30-0939371  
Entity Address, Address Line One 100 Valvoline Way, Suite 100  
Entity Address, City or Town Lexington  
Entity Address, State or Province KY  
Entity Address, Postal Zip Code 40509  
City Area Code (859)  
Local Phone Number 357-7777  
Title of 12(b) Security Common stock, par value $0.01 per share  
Trading Symbol VVV  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Smaller Reporting Company false  
Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   127,114,824
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001674910  
Current Fiscal Year End Date --09-30