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Goodwill and Other Intangible Asset (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Goodwill |  |
Goodwill | $ 2,616.7 us-gaap_Goodwill | $ 2,289.1 us-gaap_Goodwill
Increase in goodwill, primarily as a result of an acquisition | 327.6 us-gaap_GoodwillPeriodIncreaseDecrease | 356.0 us-gaap_GoodwillPeriodIncreaseDecrease
Increase in intangible assets, primarily as a result of acquisitions | 118.7 us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease | 49.9 us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease
Interconnect Products and Assemblies |  |
Goodwill |  |
Goodwill | $ 2,493.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = aph_InterconnectProductsAndAssembliesMember |
Number of acquisitions | 2 us-gaap_NumberOfBusinessesAcquired / us-gaap_StatementBusinessSegmentsAxis = aph_InterconnectProductsAndAssembliesMember | 5 us-gaap_NumberOfBusinessesAcquired / us-gaap_StatementBusinessSegmentsAxis = aph_InterconnectProductsAndAssembliesMember

X
- Definition Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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Balance Type: | debit
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
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- Details
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