| USD ($) $ in Millions | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2016 | Dec 31, 2015 | Dec 31, 2014 | Dec 31, 2013 | Dec 31, 2012 | Dec 31, 2011 | Dec 31, 2010 | Dec 31, 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Current Assets: | ||||||||||||||||
Cash and cash equivalents | $ 11,130.6 | $ 3,317.0 | $ 1,475.0 | |||||||||||||
Short-term investments | 303.6 | 18.4 | 185.2 | |||||||||||||
Total cash, cash equivalents and short-term investments | 11,434.2 | 3,335.4 | 1,660.2 | |||||||||||||
Accounts receivable, less allowance for doubtful accounts of $99.3 and $66.5, respectively | 4,717.1 | 3,287.9 | 2,618.4 | |||||||||||||
Inventories: | ||||||||||||||||
Raw materials and supplies | - | - | - | |||||||||||||
Work in process | - | - | - | |||||||||||||
Finished goods | - | - | - | |||||||||||||
Inventories | 3,424.9 | 2,545.7 | 2,167.1 | |||||||||||||
Prepaid expenses and other current assets | 691.0 | 517.0 | 389.6 | |||||||||||||
Other current assets | - | - | - | |||||||||||||
Total current assets | 20,267.2 | 9,686.0 | 6,835.3 | |||||||||||||
Property, plant and equipment: | ||||||||||||||||
Land and improvements | - | - | - | |||||||||||||
Land | - | - | - | |||||||||||||
Buildings and improvements | - | - | - | |||||||||||||
Machinery and equipment | - | - | - | |||||||||||||
Property, plant and equipment, gross | - | - | - | |||||||||||||
Accumulated depreciation | - | - | - | |||||||||||||
Property, plant and equipment, net | 2,305.6 | 1,711.8 | 1,314.7 | |||||||||||||
Goodwill | 10,575.4 | 8,236.2 | 7,092.4 | |||||||||||||
Other intangible assets, net | 2,241.4 | 1,225.1 | 834.8 | |||||||||||||
Other long-term assets | 847.3 | 581.1 | 449.2 | |||||||||||||
Intangibles, net and other long-term assets | - | - | - | |||||||||||||
Goodwill and other long-term assets | - | - | - | |||||||||||||
Total Assets | 36,236.9 | 21,440.2 | 16,526.4 | |||||||||||||
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY | ||||||||||||||||
Current Liabilities: | ||||||||||||||||
Accounts payable | 2,661.9 | 1,819.4 | 1,350.9 | |||||||||||||
Accrued salaries, wages and employee benefits | 767.7 | 529.8 | 412.8 | |||||||||||||
Accrued income taxes | 482.9 | 199.0 | 166.0 | |||||||||||||
Accrued dividends | 306.7 | 199.5 | 131.7 | |||||||||||||
Accrued acquisition-related obligations | - | - | - | |||||||||||||
Other accrued expenses | 1,646.4 | 934.4 | 737.5 | |||||||||||||
Current portion of long-term debt | 937.2 | 401.7 | 353.8 | |||||||||||||
Total current liabilities | 6,802.8 | 4,083.8 | 3,152.7 | |||||||||||||
Long-term debt, less current portion | 14,564.8 | 6,484.4 | 3,983.5 | |||||||||||||
Accrued pension and postretirement benefit obligations | 138.2 | 129.8 | 143.0 | |||||||||||||
Deferred income taxes | 432.9 | 376.7 | 367.0 | |||||||||||||
Other long-term liabilities | 788.5 | 509.4 | 453.7 | |||||||||||||
Total Liabilities | 22,727.2 | 11,584.1 | 8,099.9 | |||||||||||||
Redeemable noncontrolling interests | 9.3 | 8.7 | 30.7 | |||||||||||||
Accrued pension benefit obligations and other long-term liabilities | - | - | - | |||||||||||||
Equity: | ||||||||||||||||
Class A Common Stock, $0.001 par value, 5,000.0 shares authorized; 1,228.9 shares issued and 1,226.6 shares outstanding at December 31, 2025; 1,212.9 shares issued and 1,209.3 shares outstanding at December 31, 2024 | 1.2 | 1.2 | 0.6 | |||||||||||||
Additional paid-in capital | 4,232.9 | 3,601.8 | 3,101.2 | |||||||||||||
Retained earnings | 9,854.3 | 7,105.0 | 5,921.1 | |||||||||||||
Treasury stock, at cost; 2.4 shares and 3.6 shares as of December 31, 2025 and 2024, respectively | (195.8) | (199.7) | (142.8) | |||||||||||||
Accumulated other comprehensive loss | (479.5) | (716.3) | (533.6) | |||||||||||||
Total stockholders' equity attributable to Amphenol Corporation | 13,413.1 | 9,792.0 | 8,346.5 | |||||||||||||
Noncontrolling interests | 87.3 | 55.4 | 49.3 | |||||||||||||
Total Equity | 13,500.4 | 9,847.4 | 8,395.8 | |||||||||||||
Total Liabilities, Redeemable Noncontrolling Interests and Equity | $ 36,236.9 | $ 21,440.2 | $ 16,526.4 |