Name:	agco_AssetCategoryAbstract
Namespace Prefix:	agco_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Defined Benefit Plan, Assumptions Used in Investment Strategy, Expected Return Next Fiscal Year

+ References

No definition available.

+ Details

Name:	agco_DefinedBenefitPlanAssumptionsUsedInInvestmentStrategyExpectedReturnNextFiscalYear
Namespace Prefix:	agco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Benefit Plan, Historical Average Return on Asset Mix

+ References

No definition available.

+ Details

Name:	agco_DefinedBenefitPlanHistoricalAverageReturnOnAssetMix
Namespace Prefix:	agco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Benefit Plan, Target Allocation Percentage of Assets, Long-term Growth

+ References

No definition available.

+ Details

Name:	agco_DefinedBenefitPlanTargetAllocationPercentageOfAssetsLongTermGrowth
Namespace Prefix:	agco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Benefit Plan, Target Allocation Percentage of Assets, Near-term Benefit Payments

+ References

No definition available.

+ Details

Name:	agco_DefinedBenefitPlanTargetAllocationPercentageOfAssetsNearTermBenefitPayments
Namespace Prefix:	agco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=agco_AlternativeInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=agco_InternationalEquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=agco_LargeAndSmallCapDomesticMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_OtherInvestmentCompaniesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_OtherInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_ForeignPensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Employee Benefit Plans (Asset Allocation) (Details)	12 Months Ended
Employee Benefit Plans (Asset Allocation) (Details)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Asset Category
Target allocation, near-term benefit payments	30.00%
Target allocation, long-term growth	70.00%
U.S. Based Pension Benefit Plans
Asset Category
Equity Securities	100.00%	100.00%
Target allocation, near-term benefit payments	15.00%
Target allocation, long-term growth	85.00%
Defined Benefit Plan, Assumptions Used in Investment Strategy, Expected Return Next Fiscal Year	6.00%
Weighted average expected long-term rate of return on plan assets	7.00%	7.00%	7.75%
Non-U.S. Pension Benefit Plans
Asset Category
Equity Securities	100.00%	100.00%
Defined Benefit Plan, Historical Average Return on Asset Mix	7.30%
Equity Securities
Asset Category
Target allocation, equity securities	45.00%
Equity Securities \| Non-U.S. Pension Benefit Plans
Asset Category
Equity Securities	42.00%	45.00%
Large and Small Cap Domestic \| U.S. Based Pension Benefit Plans
Asset Category
Equity Securities	28.00%	48.00%
Target allocation, equity securities	30.00%
International Securities \| U.S. Based Pension Benefit Plans
Asset Category
Equity Securities	10.00%	16.00%
Target allocation, equity securities	12.00%
Fixed Income Securities \| U.S. Based Pension Benefit Plans
Asset Category
Equity Securities	42.00%	16.00%
Target allocation, equity securities	44.00%
Fixed Income Securities \| Non-U.S. Pension Benefit Plans
Asset Category
Equity Securities	38.00%	30.00%
Other Investment Companies \| U.S. Based Pension Benefit Plans
Asset Category
Equity Securities	20.00%	20.00%
Other Investments \| Non-U.S. Pension Benefit Plans
Asset Category
Equity Securities	20.00%	25.00%
Fixed Income Investments
Asset Category
Target allocation, equity securities	35.00%
Alternative Investments
Asset Category
Target allocation, equity securities	20.00%
Alternative Investments \| U.S. Based Pension Benefit Plans
Asset Category
Target allocation, equity securities	14.00%