Reportable Business Segments (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016 USD ($) segment	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) segment	Sep. 30, 2015 USD ($)
Segment reporting information
Number of reportable business segments \| segment	2		2
Net sales	$ 1,635.9	$ 1,459.6	$ 4,635.3	$ 4,138.2
Segment operating income	326.3	294.8	866.1	815.7
Operating Segment
Segment reporting information
Segment operating income	355.8	317.6	970.8	886.5
Operating Segment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1,543.2	1,378.2	4,366.9	3,889.5
Segment operating income	342.0	307.4	932.2	856.3
Operating Segment \| Cable Products and Solutions
Segment reporting information
Net sales	92.7	81.4	268.4	248.7
Segment operating income	13.8	10.2	38.6	30.2
Inter-Segment
Segment reporting information
Net sales	10.2	7.1	26.6	21.3
Inter-Segment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1.5	1.5	5.0	5.6
Inter-Segment \| Cable Products and Solutions
Segment reporting information
Net sales	$ 8.7	$ 5.6	$ 21.6	$ 15.7

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

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

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=aph_InterconnectProductsAndAssembliesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=aph_CableProductsAndSolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: