v3.26.3
Document and Entity Information
Sep. 17, 2026
Document And Entity Information [Line Items]  
Entity Registrant Name BROWN FORMAN CORP
Amendment Flag false
Entity Central Index Key 0000014693
Document Type 8-K
Document Period End Date Sep. 17, 2026
Entity Incorporation State Country Code DE
Entity File Number 001-00123
Entity Tax Identification Number 61-0143150
Entity Address, Address Line One 850 Dixie Highway
Entity Address, City or Town Louisville
Entity Address, State or Province KY
Entity Address, Postal Zip Code 40210
City Area Code (502)
Local Phone Number 585-1100
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A Common Stock (voting), $0.15 par value
Trading Symbol BFA
Security Exchange Name NYSE
Common Class B [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class B Common Stock (nonvoting), $0.15 par value
Trading Symbol BFB
Security Exchange Name NYSE
Deferrable Notes [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 2.600% Notes due 2028
Trading Symbol BF28
Security Exchange Name NYSE