Name:	aph_DebtInstrumentCarryingAmountOfDebtAfterUnamortizedDiscountPremiumBeforeDeferredDebtIssuanceCosts
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The remaining balance of debt issuance expenses, at fair value, that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

No definition available.

Name:	aph_UnamortizedDebtIssuanceExpenseFairValue
Namespace Prefix:	aph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of long-term debt and lease obligation, classified as noncurrent.

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-Name Accounting Standards Codification
-Topic 210
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Name:	us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt and lease obligation, classified as current.

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Name:	us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt and lease obligation, including portion classified as current.

No definition available.

Name:	us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

No definition available.

Name:	us-gaap_ShorttermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

No definition available.

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
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Name:	us-gaap_DebtInstrumentAxis=aph_USCommercialPaperProgramMember
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Name:	us-gaap_DebtInstrumentAxis=aph_EuroCommercialPaperProgramMember
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Name:	us-gaap_DebtInstrumentAxis=aph_TermLoan2022Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes3.125PercentDueInSeptember2021Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes3.20PercentDueApril2024Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes2.05PercentDueMarch2025Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredEuroSeniorNotes0.750PercentDueMay2026Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredEuroSeniorNotes2.00PercentDueOctober2028Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes4.350PercentDueJune2029Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes2.800PercentDueFebruary2030Member
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Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes2.200PercentDueSeptember2031Member
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