v3.26.1
DEBT - Summary of Total Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total Debt $ 25,966 $ 26,762
Financial payables to Iveco Group N.V. 78 91
Total Debt (including Financial payables to Iveco Group N.V.) 26,044 26,853
Total bonds    
Debt Instrument [Line Items]    
Total Debt 11,566 10,719
Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 10,027 11,294
Other debt    
Debt Instrument [Line Items]    
Total Debt 4,373 4,749
Intersegment debt    
Debt Instrument [Line Items]    
Total Debt 0 0
Industrial Activities    
Debt Instrument [Line Items]    
Total Debt 4,302 4,385
Financial payables to Iveco Group N.V. 2 3
Total Debt (including Financial payables to Iveco Group N.V.) 4,304 4,388
Industrial Activities | Total bonds    
Debt Instrument [Line Items]    
Total Debt 3,817 3,917
Industrial Activities | Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 0 0
Industrial Activities | Other debt    
Debt Instrument [Line Items]    
Total Debt 412 187
Industrial Activities | Intersegment debt    
Debt Instrument [Line Items]    
Total Debt 73 281
Financial Services    
Debt Instrument [Line Items]    
Total Debt 21,979 22,861
Financial payables to Iveco Group N.V. 76 88
Total Debt (including Financial payables to Iveco Group N.V.) 22,055 22,949
Financial Services | Total bonds    
Debt Instrument [Line Items]    
Total Debt 7,749 6,802
Financial Services | Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 10,027 11,294
Financial Services | Other debt    
Debt Instrument [Line Items]    
Total Debt 3,961 4,562
Financial Services | Intersegment debt    
Debt Instrument [Line Items]    
Total Debt $ 242 $ 203