v3.25.2
Document and Entity Information
Aug. 11, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0000105319
Document Type 8-K
Document Period End Date Aug. 11, 2025
Entity Registrant Name WW INTERNATIONAL, INC.
Entity Incorporation State Country Code VA
Entity File Number 001-16769
Entity Tax Identification Number 11-6040273
Entity Address, Address Line One 18 West 18th Street
Entity Address, Address Line Two 7th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10011
City Area Code (212)
Local Phone Number 589-2700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol WW
Security Exchange Name NASDAQ
Entity Emerging Growth Company false