CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net sales:
Total net sales	$ 2,497	$ 2,194
Cost of sales:
Total cost of sales	(1,682)	(1,529)
Gross profit	815	665
Operating expenses:
Selling, general and administrative expenses	(281)	(263)
Engineering expenses	(48)	(51)
Amortization expense	(74)	(75)
Total operating expenses	(403)	(389)
Income from operations	412	276
Other income and expenses:
Interest expense, net	(47)	(48)
Other (expense) income, net	(2)	5
Income before income taxes	363	233
Income tax expense	(86)	(60)
Net income	277	173
Less: Net income attributable to noncontrolling interest	(5)	(4)
Net income attributable to Wabtec shareholders	$ 272	$ 169
Basic
Net income attributable to Wabtec shareholders (in dollars per share)	$ 1.54	$ 0.94
Diluted
Net income attributable to Wabtec shareholders (in dollars per share)	$ 1.53	$ 0.93
Weighted average shares outstanding
Basic (in shares)	176.5	179.9
Diluted (in shares)	177.2	180.6
Goods
Net sales:
Total net sales	$ 2,007	$ 1,684
Cost of sales:
Total cost of sales	(1,411)	(1,257)
Services
Net sales:
Total net sales	490	510
Cost of sales:
Total cost of sales	$ (271)	$ (272)