v3.26.3
EARNINGS PER SHARE - Schedule of Computation of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator        
Net income attributable to Wabtec shareholders $ 409 $ 310 $ 1,166 $ 968
Less: Net income allocated to non-vested restricted stock 0 (1) (2) (3)
Numerator for basic earnings per common share 409 309 1,164 965
Numerator for diluted earnings per common share $ 409 $ 309 $ 1,164 $ 965
Denominator        
Weighted average shares outstanding- basic (in shares) 168.2 170.5 169.1 170.5
Weighted average shares outstanding- diluted (in shares) 168.8 171.1 169.7 171.2
Earnings per common share attributable to Wabtec shareholders        
Basic (in dollars per share) $ 2.43 $ 1.81 $ 6.88 $ 5.66
Diluted (in dollars per share) $ 2.42 $ 1.81 $ 6.86 $ 5.64
Awards Excluding Restricted Stock        
Denominator        
Assumed conversion of dilutive stock (in shares) 0.4 0.3 0.4 0.4
Restricted Stock        
Denominator        
Assumed conversion of dilutive stock (in shares) 0.2 0.3 0.2 0.3