Basis of Presentation and Principles of Consolidation (Policy)	3 Months Ended
Mar. 31, 2025
Basis of Presentation and Principles of Consolidation
Principles of Consolidation	The Condensed Consolidated Balance Sheets as of March 31, 2025 and December 31, 2024, and each of the related Condensed Consolidated Statements of Income, Condensed Consolidated Statements of Comprehensive Income and Condensed Consolidated Statements of Cash Flow for the three months ended March 31, 2025 and 2024 include the accounts of Amphenol Corporation and its subsidiaries (“Amphenol,” the “Company,” “we,” “our” or “us”). All material intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated financial statements included herein are unaudited. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, including normal recurring adjustments considered necessary for a fair presentation of the results, in conformity with accounting principles generally accepted in the United States of America. The results of operations for the three months ended March 31, 2025 are not necessarily indicative of the results to be expected for the full year. These condensed consolidated financial statements and the related notes should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024 (the “2024 Annual Report”). Stock Split On May 20, 2024, the Company announced that its Board of Directors (the “Board”) approved a two-for-one split of the Company’s Class A Common Stock (“Common Stock”). The stock split was effected in the form of a stock dividend paid to stockholders of record as of the close of business on May 31, 2024. The additional shares were distributed on June 11, 2024, and the Common Stock began trading on a split-adjusted basis on June 12, 2024. The shares of Common Stock retain a par value of $0.001 per share. As a result of the stock split, stockholders received one additional share of Common Stock for each share held as of the record date. There was no change in the number of authorized shares of the common stock of the Company as a result of the stock split.

Basis of Presentation and Principles of Consolidation (Policy)

3 Months Ended

Mar. 31, 2025

Basis of Presentation and Principles of Consolidation

The Condensed Consolidated Balance Sheets as of March 31, 2025 and December 31, 2024, and each of the related Condensed Consolidated Statements of Income, Condensed Consolidated Statements of Comprehensive Income and Condensed Consolidated Statements of Cash Flow for the three months ended March 31, 2025 and 2024 include the accounts of Amphenol Corporation and its subsidiaries (“Amphenol,” the “Company,” “we,” “our” or “us”). All material intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated financial statements included herein are unaudited. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, including normal recurring adjustments considered necessary for a fair presentation of the results, in conformity with accounting principles generally accepted in the United States of America. The results of operations for the three months ended March 31, 2025 are not necessarily indicative of the results to be expected for the full year. These condensed consolidated financial statements and the related notes should be read in conjunction with the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024 (the “2024 Annual Report”).

Stock Split

On May 20, 2024, the Company announced that its Board of Directors (the “Board”) approved a two-for-one split of the Company’s Class A Common Stock (“Common Stock”). The stock split was effected in the form of a stock dividend paid to stockholders of record as of the close of business on May 31, 2024. The additional shares were distributed on June 11, 2024, and the Common Stock began trading on a split-adjusted basis on June 12, 2024. The shares of Common Stock retain a par value of $0.001 per share. As a result of the stock split, stockholders received one additional share of Common Stock for each share held as of the record date. There was no change in the number of authorized shares of the common stock of the Company as a result of the stock split.