v3.26.3
GOODWILL AND OTHER INTANGIBLES - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Net Carrying Amount $ 2,401 $ 214
Accumulated Amortization (407) (479)
Intangible Asset, Indefinite-Lived [Line Items]    
Total Other intangible assets 2,411 214
Trade names    
Intangible Asset, Indefinite-Lived [Line Items]    
Net Carrying Amount 10 0
CDI    
Intangible Asset, Finite-Lived [Line Items]    
Net Carrying Amount 2,150 0
Accumulated Amortization (42) 0
Dealer networks    
Intangible Asset, Finite-Lived [Line Items]    
Net Carrying Amount 172 190
Accumulated Amortization (298) (280)
Stellantis relationship NV    
Intangible Asset, Finite-Lived [Line Items]    
Net Carrying Amount 0 0
Accumulated Amortization 0 (139)
Customer relationships and other intangibles    
Intangible Asset, Finite-Lived [Line Items]    
Net Carrying Amount 79 24
Accumulated Amortization $ (67) $ (60)