RELATED PARTY INFORMATION - Schedule of Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Net sales	$ 4,131	$ 4,776
Cost of goods sold	3,195	3,611
Trade receivables, net	155		$ 133
Financial receivables from Iveco Group N.V.	230		380
Trade payables	3,225		3,611
Financial payables to Iveco Group N.V.	70		146
Iveco Group post-Demerger | Related Party
Related Party Transaction [Line Items]
Net sales	38	20
Cost of goods sold	211	255
Trade receivables, net	15		25
Financial receivables from Iveco Group N.V.	230		380
Trade payables	173		335
Financial payables to Iveco Group N.V.	70		146
Unconsolidated subsidiaries and affiliates | Related Party
Related Party Transaction [Line Items]
Net sales	158	133
Cost of goods sold	142	$ 150
Trade receivables, net	6		2
Trade payables	$ 111		$ 54