Pension and Postretirement Benefit Plans (Narrative) (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) plan
Defined Benefit Plan Disclosure [Line Items]
Pension plan termination and settlement		$ 0	$ (18,500,000)	$ 0
Defined benefit plan, minimum contributions in the next fiscal year		2,400,000
Company contributions to defined contribution plan		$ 18,600,000	23,100,000	21,100,000
Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, long term return on plan asset term		15 years
Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, long term return on plan asset term		20 years
Non-U.S. \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, historical average return on asset mix		5.80%
Non-U.S. \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, historical average return on asset mix		7.00%
UNITED KINGDOM
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected return next fiscal year		6.20%
Pension plan
Defined Benefit Plan Disclosure [Line Items]
Pension plan termination and settlement		$ 200,000	$ (18,800,000)	$ (400,000)
Defined benefit plan, weighted average discount rate used to determine the benefit obligation	5.10%	5.00%	5.10%
Estimated benefit payments in the next fiscal year		$ 46,800,000
Benefit payments made to defined benefit pension plans and ENPP		48,000,000.0
Benefits payments		$ 42,300,000	$ 44,400,000
Pension plan \| ENPP
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, retirement income, maximum period over which benefits are paid		15 years
Defined benefit plan, minimum vesting age		50 years
Defined benefit plan, minimum service period to qualify		10 years
Defined benefit plan, minimum service period for vesting		5 years
Defined benefit plan, minimum age to receive benefits		65 years
Pension plan \| U.S.
Defined Benefit Plan Disclosure [Line Items]
Number of plans \| plan				1
Pension plan termination and settlement	$ 18,500,000
Defined benefit plan, weighted average discount rate used to determine the benefit obligation	5.80%	5.60%	5.80%
Defined benefit plan, minimum contributions in the next fiscal year		$ 5,700,000
Pension plan \| Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, minimum contributions in the next fiscal year		9,100,000
Pension plan \| UNITED KINGDOM
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, minimum contributions in the next fiscal year		$ 100,000
Postretirement benefits
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, weighted average discount rate used to determine the benefit obligation	7.20%	7.70%	7.20%
Health care cost trend rate assumed		7.50%
Estimated benefit payments in the next fiscal year		$ 2,100,000
Benefits payments		1,500,000	$ 1,900,000
Postretirement benefits \| U.S.
Defined Benefit Plan Disclosure [Line Items]
Expected amortization of prior service cost in the next fiscal year		$ 0
Health care cost trend rate assumed	7.50%		7.50%
Ultimate health care cost trend rate	5.00%	5.00%	5.00%
Estimated benefit payments in the next fiscal year		$ 1,600,000
Postretirement benefits \| Brazil
Defined Benefit Plan Disclosure [Line Items]
Health care cost trend rate assumed	10.20%	10.20%	10.20%
Ultimate health care cost trend rate	4.50%	4.50%	4.50%
Estimated benefit payments in the next fiscal year		$ 400,000

AGCO CORP /DE 10-K