Cover Page - shares	9 Months Ended
	Sep. 30, 2020	Nov. 02, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	001-12930
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	58-1960019
Entity Address, Address Line One	4205 River Green Parkway
Entity Address, City or Town	Duluth,
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30096
City Area Code	(770)
Local Phone Number	813-9200
Title of 12(b) Security	Common stock
Trading Symbol	AGCO
Security Exchange Name	NYSE
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 (in shares)		74,899,512
Entity Registrant Name	AGCO CORP /DE
Entity Central Index Key	0000880266
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false