Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Common Class A [Member] Represents the unsecured senior notes having an average interest rate of 3.125 percent that will mature in June 2032. 3.125% Senior Notes due June 2032 3.125% Senior Notes due June 2032 Document Information [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Quarterly Report Document Transition Report Document Period End Date Securities Act File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Entity Small Business Entity Emerging Growth Company Entity Shell Company CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets: Cash and Cash Equivalent Cash and cash equivalents Short-Term Investments Short-term investments Cash, Cash Equivalents, and Short-Term Investments Total cash, cash equivalents and short-term investments Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, less allowance for doubtful accounts of $94.9 and $99.3, respectively Inventory, Net Inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property, plant and equipment, less accumulated depreciation of $3,261.4 and $3,096.0, respectively Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Other Intangible Assets, Net Other intangible assets, net Other Assets, Noncurrent Other long-term assets Assets Total Assets Liabilities and Equity [Abstract] LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY Liabilities, Current [Abstract] Current Liabilities: Accounts Payable, Current Accounts payable Employee-related Liabilities, Current Accrued salaries, wages and employee benefits Accrued Income Taxes, Current Accrued income taxes Dividends Payable, Current Accrued dividends Other Liabilities, Current Other accrued expenses Long-Term Debt and Lease Obligation, Current Less current portion Current portion of long-term debt Liabilities, Current Total current liabilities Long-Term Debt and Lease Obligation Long-term debt, less current portion Total long-term debt Liability, Defined Benefit Plan, Noncurrent Accrued pension and postretirement benefit obligations Deferred Income Tax Liabilities, Net Deferred income taxes Other Liabilities, Noncurrent Other long-term liabilities Liabilities Total Liabilities Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable noncontrolling interest, balance at end of period Redeemable noncontrolling interest, balance at beginning of period Redeemable noncontrolling interests Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Common Stock, Value, Issued Common stock Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Treasury Stock, Common, Value Treasury stock, at cost Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Equity, Attributable to Parent Total stockholders' equity attributable to Amphenol Corporation Equity, Attributable to Noncontrolling Interest Noncontrolling interests Equity, Including Portion Attributable to Noncontrolling Interest Balance at end of period Balance at beginning of period Total Equity Liabilities and Equity Total Liabilities, Redeemable Noncontrolling Interests and Equity Accounts Receivable, Allowance for Credit Loss, Current Allowance for doubtful accounts Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Common Stock, Shares, Issued Balance (in shares) Balance (in shares) Class A Common Stock, shares issued Treasury Stock, Common, Shares Balance (in shares) Balance (in shares) Treasury stock, shares CONDENSED CONSOLIDATED STATEMENTS OF INCOME Revenue from Contract with Customer, Excluding Assessed Tax Net sales Cost of Revenue Cost of sales Gross Profit Gross profit This element represents acquisition-related costs incurred, which are recorded below gross profit and above (component of) operating income, as a separate line item on the Income Statement. These are costs that include, but are not limited to, external transaction costs, professional fees, and the amortization of acquired backlog. Acquisition related expenses Acquisition-related expenses Acquisition-related expenses Selling, General and Administrative Expense Selling, general and administrative expenses Operating Income (Loss) Operating income Operating income Interest Expense, Nonoperating Interest expense Other Nonoperating Income (Expense) Other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Less: Net income attributable to noncontrolling interests Net income attributable to Amphenol Corporation Earnings Per Share, Basic Net income attributable to Amphenol Corporation per common share - Basic (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding - Basic (in shares) Earnings Per Share, Diluted Net income attributable to Amphenol Corporation per common share - Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding - Diluted (in shares) Weighted average common shares outstanding - Diluted (in shares) CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax [Abstract] Total other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Reclassification of net unrealized loss on hedging activities to interest expense, net of tax of ($0.3) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Pension and postretirement benefit plan adjustment, net of tax of ($0.4) and ($0.3), respectively Other Comprehensive Income (Loss), Net of Tax Total other comprehensive (loss) income, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Amphenol Corporation Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Unrealized loss on hedging activities, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Pension and postretirement benefit plan adjustment, tax CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Deferred Income Tax Expense (Benefit) Deferred income tax provision (benefit) The increase (decrease) during the reporting period of components of working capital used in operating activities. Increase (Decrease) in Components of Working Capital Net change in components of working capital Net change in other long-term assets and liabilities Net change in other long-term assets and liabilities Net change in other long-term assets and liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash provided by operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash from investing activities: Payments to Acquire Property, Plant, and Equipment Capital expenditures Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposals of property, plant and equipment Payments to Acquire Investments Purchases of investments Proceeds from Sale, Maturity and Collection of Investments Sales and maturities of investments Payments to Acquire Businesses, Net of Cash Acquired Acquisitions, net of cash acquired Purchase price, net of cash acquired Payment for (Proceeds from) Other Investing Activity Other, net Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash from financing activities: The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer) and other debt. Proceeds from issuance of senior long term debt and other debt Proceeds from issuance of senior notes and other long-term debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Repayments of senior notes and other long-term debt Proceeds from (Repayments of) Commercial Paper Borrowings (repayments) under commercial paper programs, net Payments of Financing Costs Payment of costs related to debt financing Proceeds from Issuance of Commercial Paper Borrowings under commercial paper programs, net Proceeds from issuance of commercial paper Payments for Repurchase of Common Stock Purchase of treasury stock Proceeds from Stock Options Exercised Proceeds from exercise of stock options Payments of Ordinary Dividends, Common Stock Dividend payments Dividends paid (including those declared in the prior year) Proceeds from (Payment for) Other Financing Activity Other, net Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Effect of exchange rate changes on cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents balance, end of period Cash and cash equivalents balance, beginning of period Supplemental Cash Flow Information [Abstract] Cash paid for: Interest Paid, Excluding Capitalized Interest, Operating Activity Interest Income Taxes Paid, Net Income taxes, net Basis of Presentation and Principles of Consolidation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation and Principles of Consolidation New Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] New Accounting Pronouncements Inventories Inventory Disclosure [Text Block] Inventories Debt Debt Disclosure [Text Block] Debt Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Income Taxes Income Tax Disclosure [Text Block] Income Taxes Stockholders' Equity and Noncontrolling Interests Equity [Text Block] Stockholders' Equity and Noncontrolling Interests Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Earnings Per Share Earnings Per Share [Text Block] Earnings Per Share Benefit Plans and Other Postretirement Benefits Retirement Benefits [Text Block] Benefit Plans and Other Postretirement Benefits Acquisitions Business Combination [Text Block] Acquisitions Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Other Intangible Assets Reportable Business Segments Segment Reporting Disclosure [Text Block] Reportable Business Segments Revenue Recognition Revenue from Contract with Customer [Text Block] Revenue Recognition Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Consolidation, Policy [Policy Text Block] Principles of Consolidation Schedule of Inventory, Current [Table Text Block] Schedule of Inventories Schedule of Debt [Table Text Block] Schedule of debt Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fair values of financial and non-financial assets and liabilities Schedule of provision for income tax expense (benefit) and effective tax rate using percentage. Schedule of Income Tax Expense (Benefit) and Effective Tax Rate [Table Text Block] Schedule of provision for income taxes and effective tax rate Schedule of Stockholders Equity [Table Text Block] Rollforward of consolidated changes in equity Dividends Declared [Table Text Block] Schedules of dividends Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock option activity Schedule of Nonvested Share Activity [Table Text Block] Summary of status of non-vested options and changes during the year Tabular disclosure of activity relating to intrinsic value of options exercised and fair value of options vested under the entity's option plans. Schedule of Stock Option Plan Activity [Table Text Block] Summary of activity in the option plans Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Schedule of restricted share activity Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of the reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding Defined Benefit Plan [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure Schedule of Net Benefit Costs [Table Text Block] Schedule of components of net pension expense Business Combination [Table] Business Combination [Axis] Business Combination [Domain] Represents member information pertaining to 2026 acquisitions. Two Thousand Twenty Six Acquisitions [Member] 2026 Acquisitions Represents information pertaining to CommScope's Connectivity and Cable Solutions Business. CommScope's Connectivity And Cable Solutions Business Acquisition [Member] CommScope's Connectivity and Cable Solutions Business Business Combination [Line Items] Acquisitions