Debt - Minimum Annual Repayments of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Financial payables to Iveco Group N.V	$ 146	$ 156
Intersegment	27,326	22,962
Total	27,472	23,118
Operating Segments
Debt Instrument [Line Items]
2024	11,477
2025	6,076
2026	4,078
2027	2,339
2028	1,576
2029	1,780
Financial payables to Iveco Group N.V	146
Intersegment
Debt Instrument [Line Items]
Intersegment	0
Industrial Activities
Debt Instrument [Line Items]
Financial payables to Iveco Group N.V	6	5
Intersegment	4,433	4,972
Total	4,439	4,977
Industrial Activities \| Operating Segments
Debt Instrument [Line Items]
2024	952
2025	831
2026	553
2027	1,133
2028	55
2029	608
Financial payables to Iveco Group N.V	6
Industrial Activities \| Intersegment
Debt Instrument [Line Items]
Intersegment	301
Financial Services
Debt Instrument [Line Items]
Financial payables to Iveco Group N.V	140	151
Intersegment	23,721	18,941
Total	23,861	$ 19,092
Financial Services \| Operating Segments
Debt Instrument [Line Items]
2024	10,525
2025	5,245
2026	3,525
2027	1,206
2028	1,521
2029	1,172
Financial payables to Iveco Group N.V	140
Financial Services \| Intersegment
Debt Instrument [Line Items]
Intersegment	$ 527

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