CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net sales:
Total net sales	$ 2,663	$ 2,550	$ 7,804	$ 7,151
Cost of sales:
Total cost of sales	(1,783)	(1,758)	(5,235)	(4,971)
Gross profit	880	792	2,569	2,180
Operating expenses:
Selling, general and administrative expenses	(318)	(295)	(915)	(843)
Engineering expenses	(50)	(53)	(155)	(157)
Amortization expense	(79)	(74)	(224)	(222)
Total operating expenses	(447)	(422)	(1,294)	(1,222)
Income from operations	433	370	1,275	958
Other income and expenses:
Interest expense, net	(52)	(60)	(148)	(163)
Other (expense) income, net	(3)	10	(1)	17
Income before income taxes	378	320	1,126	812
Income tax expense	(92)	(78)	(272)	(204)
Net income	286	242	854	608
Less: Net income attributable to noncontrolling interest	(3)	(2)	(10)	(8)
Net income attributable to Wabtec shareholders	$ 283	$ 240	$ 844	$ 600
Basic
Net income attributable to Wabtec shareholders (in dollars per share)	$ 1.63	$ 1.34	$ 4.81	$ 3.34
Diluted
Net income attributable to Wabtec shareholders (in dollars per share)	$ 1.63	$ 1.33	$ 4.80	$ 3.33
Weighted average shares outstanding
Basic (in shares)	173.4	178.6	175.1	179.1
Diluted (in shares)	174.1	179.2	175.7	179.7
Goods
Net sales:
Total net sales	$ 2,171	$ 2,048	$ 6,323	$ 5,631
Cost of sales:
Total cost of sales	(1,512)	(1,475)	(4,413)	(4,132)
Services
Net sales:
Total net sales	492	502	1,481	1,520
Cost of sales:
Total cost of sales	$ (271)	$ (283)	$ (822)	$ (839)