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Cover Document
Jan. 28, 2021
Dec. 03, 2020
Document Information [Line Items]    
Document Type 8-K  
Document Period End Date Jan. 28, 2021  
Entity Registrant Name McCormick & Co Inc.  
Entity Incorporation, State or Country Code MD  
Entity File Number 001-14920  
Entity Tax Identification Number 52-0408290  
Entity Address, Address Line One 24 Schilling Road  
Entity Address, Address Line Two Suite 1  
Entity Address, City or Town Hunt Valley  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 21031  
City Area Code 410  
Local Phone Number 771-7301  
Written Communications   false
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Amendment Flag   false
Entity Central Index Key   0000063754
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock  
Trading Symbol MKC-V  
Security Exchange Name NYSE  
Nonvoting Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock Non-Voting  
Trading Symbol MKC  
Security Exchange Name NYSE