XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2019
Jul. 29, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2019  
Document Transition Report false  
Entity File Number 033-90866  
Entity Registrant Name WESTINGHOUSE AIR BRAKE TECHNOLOGIESCORP  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 25-1615902  
Entity Address, Address Line One 1001 Air Brake Avenue  
Entity Address, City or Town Wilmerding  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 15148  
City Area Code 412  
Local Phone Number 825-1000  
Entity Current Reporting Status Yes  
Title of 12(b) Security Common Stock, $.01 par value per share  
Trading Symbol WAB  
Security Exchange Name NYSE  
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   188,155,130
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000943452  
Current Fiscal Year End Date --12-31