v3.26.3
DocumentAndEntityInformation
Oct. 28, 2026
Document Information Line Items  
Entity Central Index Key 0000051253
Document Type 8-K
Document Period End Date Oct. 28, 2026
Entity Registrant Name INTERNATIONAL FLAVORS & FRAGRANCES INC
Entity Incorporation, State or Country Code NY
Entity File Number 1-4858
Entity Tax Identification Number 13-1432060
Entity Address, Address Line One 521 West 57th Street
Entity Address, State or Province NY
Entity Address, City or Town New York
Entity Address, Postal Zip Code 10019
City Area Code 212
Local Phone Number 765-5500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Security Exchange Name NYSE
Entity Emerging Growth Company false
Amendment Flag false
Current Fiscal Year End Date --12-31
Common Stock [Member]  
Document Information Line Items  
Title of 12(b) Security Common Stock, par value 12 1/2 cents per share
Trading Symbol IFF
1.800% Senior Notes due 2026 [Member]  
Document Information Line Items  
Title of 12(b) Security 1.800% Senior Notes due 2026
Trading Symbol IFF 26
Security Exchange Name NYSE