RELATED PARTY INFORMATION - Schedule of Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Receivables from Iveco Group N.V.	$ 255		$ 298
Trade payables	57		156
FCA Group
Related Party Transaction [Line Items]
Net sales	0	$ 0
Cost of goods sold	4	5
Selling, general and administrative expenses	12	13
Trade receivables	0		0
Trade payables	18		14
Iveco Group post-Demerger
Related Party Transaction [Line Items]
Net sales	20	0
Cost of goods sold	255	260
Trade receivables	18		21
Trade payables	221		184
Unconsolidated subsidiaries and affiliates
Related Party Transaction [Line Items]
Net sales	133	126
Cost of goods sold	150	$ 121
Trade receivables	2		0
Trade payables	$ 72		$ 100