Represents the percentage of the face value of debt instrument net of discount, at which debt instrument is issued.

No definition available.

Name:	aph_DebtInstrumentPercentageOfFaceAmountNetOfDiscount
Namespace Prefix:	aph_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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

- Definition

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

+ References

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 15
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+ Details

Name:	us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=aph_SeniorNotes1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes2.200PercentDueSeptember2031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes3.125PercentDueInSeptember2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aph_EuroSeniorNotesAndUsSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt, U.S. Senior Notes (Details) - USD ($) $ in Millions			9 Months Ended
Debt, U.S. Senior Notes (Details) - USD ($) $ in Millions	Sep. 14, 2021	Aug. 16, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Debt
Repayments of long-term debt			$ 7.5	$ 616.2
U.S. Senior Notes
Debt
Redemption price as a percentage of principal amount			100.00%
2.200% Senior Notes due September 2031
Debt
Redemption price as a percentage of principal amount	100.00%
Debt instrument, principal amount	$ 750.0
Stated interest rate (as a percent)	2.20%		2.20%		2.20%
Debt instrument, face amount, net of discount (as a percent)	99.634%
Debt maturity date			Sep. 15, 2031
3.125% Senior Notes due September 2021
Debt
Stated interest rate (as a percent)		3.125%
Debt maturity date		Sep. 15, 2021
Repayments of long-term debt		$ 227.7
Euro Senior Notes and US Senior Notes [Member]
Debt
Debt instrument, covenant compliance			On September 30, 2022, the Company was in compliance with all requirements under its Senior Notes