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Benefit Plans and Other Postretirement Benefits (Details 3) (U.S. plans, Pension Benefits) | Dec. 31, 2014
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Equity securities |
Defined Benefit Plan Disclosure |
Plan asset allocations, assumptions (as a percent) | 60.00%aph_DefinedBenefitPlanWeightedAverageAssetAllocationsAssumption / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_EquitySecuritiesMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Expected long-term return on assets, assumptions (as a percent) | 9.00%aph_DefinedBenefitPlanExpectedLongTermRateOfReturnOnAssetsAssumption / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_EquitySecuritiesMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Fixed income securities |
Defined Benefit Plan Disclosure |
Plan asset allocations, assumptions (as a percent) | 40.00%aph_DefinedBenefitPlanWeightedAverageAssetAllocationsAssumption / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Expected long-term return on assets, assumptions (as a percent) | 7.00%aph_DefinedBenefitPlanExpectedLongTermRateOfReturnOnAssetsAssumption / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember

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- Definition This element represents the anticipated percentage of expected long-term rate-of-return on assets used to determine the overall expected long-term rate-of-return on assets assumption. + References No definition available. + Details
Name: | aph_DefinedBenefitPlanExpectedLongTermRateOfReturnOnAssetsAssumption
Namespace Prefix: | aph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) anticipated, to the fair value of total plan assets held as of the measurement date. + References No definition available. + Details
Name: | aph_DefinedBenefitPlanWeightedAverageAssetAllocationsAssumption
Namespace Prefix: | aph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |