v3.25.2
Cover Page - shares
6 Months Ended
Jun. 30, 2025
Jul. 21, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 033-90866  
Entity Registrant Name WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 25-1615902  
Entity Address, Address Line One 30 Isabella Street  
Entity Address, City or Town Pittsburgh  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 15212  
City Area Code 412  
Local Phone Number 825-1000  
Title of 12(b) Security Common Stock, $.01 par value per share  
Trading Symbol WAB  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   170,953,177
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000943452  
Current Fiscal Year End Date --12-31