Cover Page Document - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 04, 2021	Jun. 27, 2020
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	1-4482
Entity Registrant Name	ARROW ELECTRONICS INC
Entity Incorporation, State or Country Code	NY
Entity Tax Identification Number	11-1806155
Entity Address, Address Line One	9201 East Dry Creek Road
Entity Address, Postal Zip Code	80112
Entity Address, City or Town	Centennial
Entity Address, State or Province	CO
City Area Code	(303)
Local Phone Number	824-4000
Title of 12(b) Security	Common Stock, $1 par value
Trading Symbol	ARW
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 4,982,704,597
Entity Common Stock, Shares Outstanding		74,603,233
Entity Central Index Key	0000007536
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Documents Incorporated by Reference	The definitive proxy statement related to the registrant's Annual Meeting of Shareholders, to be held May 12, 2021 is incorporated by reference in Part III to the extent described therein.