v3.26.1
Description of the Plan - Assets of the Master Trust and the Plan’s Interest in the Master Trust (Details) - EBP 078 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
EBP, Description of Plan [Line Items]      
Total investments $ 2,231,099,374 $ 1,927,429,213  
Net assets available for benefits 2,261,877,996 1,944,535,515 $ 1,795,512,150
Master Trust Balances      
EBP, Description of Plan [Line Items]      
Net assets available for benefits $ 0 152,693,316 $ 154,658,278
Master Trust Balances | AMETEK Stock Fund      
EBP, Description of Plan [Line Items]      
Total investments   151,220,244  
Master Trust Balances | State Street Government Short Term Investment Fund      
EBP, Description of Plan [Line Items]      
Total investments   1,473,072  
Plan’s Interest in Master Trust Balances      
EBP, Description of Plan [Line Items]      
Net assets available for benefits   152,693,316  
Plan’s Interest in Master Trust Balances | AMETEK Stock Fund      
EBP, Description of Plan [Line Items]      
Total investments   151,220,244  
Plan’s Interest in Master Trust Balances | State Street Government Short Term Investment Fund      
EBP, Description of Plan [Line Items]      
Total investments   $ 1,473,072