Annual report [Section 13 and 15(d), not S-K Item 405]

GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Intangibles (Details)

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GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Intangibles (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 1,310 $ 1,263
Finite-Lived Intangible Assets, Accumulated Amortization (175) (93)
Finite-Lived Intangible Assets, Net 1,135 1,170
Finite-Lived Intangible Liability, Gross (71) (71)
Finite-Lived Intangible Liability, Accumulated Amortization 35 30
Finite-Lived Intangible Liability, Net (36) (41)
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 1,058 1,015
Finite-Lived Intangible Assets, Accumulated Amortization (104) (34)
Finite-Lived Intangible Assets, Net 954 981
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 60 60
Finite-Lived Intangible Assets, Accumulated Amortization (21) (17)
Finite-Lived Intangible Assets, Net 39 43
Trade names and trademarks    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 91 87
Finite-Lived Intangible Assets, Accumulated Amortization (14) (8)
Finite-Lived Intangible Assets, Net 77 79
Mining permits    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 72 72
Finite-Lived Intangible Assets, Accumulated Amortization (30) (29)
Finite-Lived Intangible Assets, Net 42 43
Supplier Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 29 29
Finite-Lived Intangible Assets, Accumulated Amortization (6) (5)
Finite-Lived Intangible Assets, Net $ 23 $ 24