Acquisitions (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended	9 Months Ended
	Apr. 01, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023
Business Acquisition [Line Items]
Investments in joint venture by noncontrolling interest holder					$ 8.1	$ 0.0
Amortization of intangibles		$ (8.8)	$ (14.4)		(54.4)	(43.3)
Net sales		2,599.3	3,455.5		8,774.6	10,611.7
Net loss attributable to AGCO Corporation and subsidiaries		(30.0)	$ (280.6)		169.1	$ (832.4)
PTx Trimble, LLC
Business Acquisition [Line Items]
Percentage of noncontrolling interest owned by parent	85.00%
Percentage of noncontrolling interest owned by noncontrolling owner	15.00%
Subsidiaries, PTx Trimble, LLC
Business Acquisition [Line Items]
Investments in joint venture by noncontrolling interest holder	$ 8.1
Payments to acquire interest in joint venture	46.0
Net sales				$ 122.1
Net loss attributable to AGCO Corporation and subsidiaries				$ 21.3
OneAg
Business Acquisition [Line Items]
Total cash consideration for OneAg	$ 1,954.0
Decrease to intangible assets for measurement period adjustments		94.9
Decrease to redeemable noncontrolling interest for measurement period adjustments		167.2
Decrease in goodwill for measurement period adjustments		72.0
Amortization of intangibles		$ 5.9
Transaction-related costs					$ 24.1