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

No definition available.

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

- Definition

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

+ References

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+ Details

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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

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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

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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

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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

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Balance Type:	na
Period Type:	duration

- Definition

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

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+ Details

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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

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aph_UnsecuredSeniorNotes4.350PercentDueJune2029Member
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Balance Type:
Period Type:

- Details

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Period Type:

Long-Term Debt, U.S. Senior Notes (Details) - USD ($) $ in Millions						12 Months Ended
	Nov. 01, 2021	Sep. 14, 2021	Aug. 16, 2021	Apr. 01, 2020	Feb. 20, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt
Repayments of long-term debt						$ 10.3	$ 912.6	$ 404.4
U.S. Senior Notes
Debt
Redemption price as a percentage of principal amount						100.00%
2.20% Senior Notes due April 2020
Debt
Stated interest rate (as a percent)				2.20%
Repayments of long-term debt				$ 400.0
4.00% Senior Notes due February 2022
Debt
Stated interest rate (as a percent)	4.00%
Repayments of long-term debt	$ 295.0
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
2.05% Senior Notes due March 2025
Debt
Redemption price as a percentage of principal amount					100.00%
Debt instrument, principal amount					$ 400.0
Stated interest rate (as a percent)					2.05%	2.05%	2.05%
Debt instrument, face amount, net of discount (as a percent)					99.829%
Debt maturity date						Mar. 01, 2025
4.350% Senior Notes due June 2029
Debt
Stated interest rate (as a percent)						4.35%	4.35%
3.125% Senior Notes due September 2021
Debt
Stated interest rate (as a percent)			3.125%
Repayments of long-term debt			$ 227.7