CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net sales:
Total net sales	$ 2,950	$ 2,610
Cost of sales:
Total cost of sales	(1,889)	(1,710)
Gross profit	1,061	900
Operating expenses:
Selling, general and administrative expenses	(401)	(307)
Engineering expenses	(56)	(46)
Amortization expense	(87)	(73)
Total operating expenses	(544)	(426)
Income from operations	517	474
Other income and expenses:
Interest expense, net	(71)	(46)
Other income (expense), net	23	(2)
Income before income taxes	469	426
Income tax expense	(106)	(99)
Net income	363	327
Less: Net income attributable to noncontrolling interest	(1)	(5)
Net income attributable to Wabtec shareholders	$ 362	$ 322
Basic
Net income attributable to Wabtec shareholders (in dollars per share)	$ 2.12	$ 1.88
Diluted
Net income attributable to Wabtec shareholders (in dollars per share)	$ 2.12	$ 1.88
Weighted average shares outstanding
Basic (in shares)	170.0	170.5
Diluted (in shares)	170.7	171.3
Product
Net sales:
Total net sales	$ 2,531	$ 2,157
Cost of sales:
Total cost of sales	(1,616)	(1,450)
Services
Net sales:
Total net sales	419	453
Cost of sales:
Total cost of sales	$ (273)	$ (260)