v3.26.3
Intangible Assets, Net - Schedule of Intangible Assets, Net of Accumulated Amortization (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Gross Cost $ 640 $ 634
Accumulated Amortization (443) (420)
Net Carrying Amount 197 214
Customer relationships    
Intangible Asset, Finite-Lived [Line Items]    
Gross Cost 291 291
Accumulated Amortization (291) (289)
Net Carrying Amount 0 2
TiO2 technology    
Intangible Asset, Finite-Lived [Line Items]    
Gross Cost 94 94
Accumulated Amortization (62) (57)
Net Carrying Amount 32 37
Internal-use software and other    
Intangible Asset, Finite-Lived [Line Items]    
Gross Cost 255 249
Accumulated Amortization (90) (74)
Net Carrying Amount $ 165 $ 175