Annual report pursuant to Section 13 and 15(d)

GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Intangibles (Details)

v3.20.4
GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Intangibles (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 220  
Finite-Lived Intangible Assets, Accumulated Amortization (32)  
Finite-Lived Intangible Assets, Net 188  
Finite-Lived Intangible Liability, Gross (71)  
Finite-Lived Intangible Liability, Accumulated Amortization 7  
Finite-Lived Intangible Liability, Net (64)  
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 77  
Finite-Lived Intangible Assets, Accumulated Amortization (3)  
Finite-Lived Intangible Assets, Net 74  
Technology-Based Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 60  
Finite-Lived Intangible Assets, Accumulated Amortization (3)  
Finite-Lived Intangible Assets, Net 57  
Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 11  
Finite-Lived Intangible Assets, Accumulated Amortization (1)  
Finite-Lived Intangible Assets, Net 10  
Mining Permits [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 72 $ 72
Finite-Lived Intangible Assets, Accumulated Amortization (25) (24)
Finite-Lived Intangible Assets, Net $ 47 $ 48