Document and Entity Information Document - shares	3 Months Ended
	Sep. 28, 2019	Oct. 17, 2019
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 28, 2019
Document Transition Report	false
Entity File Number	1-4224
Entity Registrant Name	AVNET, INC.
Entity Incorporation, State or Country Code	NY
Entity Tax Identification Number	11-1890605
Entity Address, Address Line One	2211 South 47th Street
Entity Address, City or Town	Phoenix
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85034
City Area Code	480
Local Phone Number	643-2000
Title of 12(b) Security	Common stock, par value $1.00 per share
Trading Symbol	AVT
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		100,962,258
Entity Central Index Key	0000008858
Current Fiscal Year End Date	--06-27
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1