v3.25.4
Debt - Summary of Total Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Total Debt $ 26,762 $ 26,882
Financial payables to Iveco Group N.V. 91 62
Total Debt (including Financial payables to Iveco Group N.V.) 26,853 26,944
Total bonds    
Debt Instrument [Line Items]    
Total Debt 10,719 9,796
Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 11,294 11,965
Other debt    
Debt Instrument [Line Items]    
Total Debt 4,749 5,121
Intersegment debt    
Debt Instrument [Line Items]    
Total Debt 0 0
Industrial Activities    
Debt Instrument [Line Items]    
Total Debt 4,385 4,499
Financial payables to Iveco Group N.V. 3 4
Total Debt (including Financial payables to Iveco Group N.V.) 4,388 4,503
Industrial Activities | Total bonds    
Debt Instrument [Line Items]    
Total Debt 3,917 3,774
Industrial Activities | Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 0 0
Industrial Activities | Other debt    
Debt Instrument [Line Items]    
Total Debt 187 269
Industrial Activities | Intersegment debt    
Debt Instrument [Line Items]    
Total Debt 281 456
Financial Services    
Debt Instrument [Line Items]    
Total Debt 22,861 23,173
Financial payables to Iveco Group N.V. 88 58
Total Debt (including Financial payables to Iveco Group N.V.) 22,949 23,231
Financial Services | Total bonds    
Debt Instrument [Line Items]    
Total Debt 6,802 6,022
Financial Services | Asset-backed debt    
Debt Instrument [Line Items]    
Total Debt 11,294 11,965
Financial Services | Other debt    
Debt Instrument [Line Items]    
Total Debt 4,562 4,852
Financial Services | Intersegment debt    
Debt Instrument [Line Items]    
Total Debt $ 203 $ 334