CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net sales:
Total net sales	$ 10,387	$ 9,677	$ 8,362
Cost of sales:
Total cost of sales	(7,021)	(6,733)	(5,822)
Gross profit	3,366	2,944	2,540
Operating expenses:
Selling, general and administrative expenses	(1,248)	(1,139)	(1,029)
Engineering expenses	(206)	(218)	(209)
Amortization expense	(303)	(321)	(291)
Total operating expenses	(1,757)	(1,678)	(1,529)
Income from operations	1,609	1,266	1,011
Other income and expenses:
Interest expense, net	(201)	(218)	(186)
Other income, net	2	44	29
Income before income taxes	1,410	1,092	854
Income tax expense	(343)	(267)	(213)
Net income	1,067	825	641
Less: Net income attributable to noncontrolling interest	(11)	(10)	(8)
Net income attributable to Wabtec shareholders	$ 1,056	$ 815	$ 633
Basic
Net income attributable to Wabtec shareholders (in dollars per share)	$ 6.05	$ 4.54	$ 3.46
Diluted
Net income attributable to Wabtec shareholders (in dollars per share)	$ 6.04	$ 4.53	$ 3.46
Weighted average shares outstanding
Basic (in shares)	174.1	178.8	182.2
Diluted (in shares)	174.8	179.5	182.8
Product
Net sales:
Total net sales	$ 8,434	$ 7,647	$ 6,459
Cost of sales:
Total cost of sales	(5,918)	(5,581)	(4,791)
Services
Net sales:
Total net sales	1,953	2,030	1,903
Cost of sales:
Total cost of sales	$ (1,103)	$ (1,152)	$ (1,031)