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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] Ìý Ìý
Finite-Lived Intangible Assets, Gross $ 220 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (32) Ìý
Finite-Lived Intangible Assets, Net 188 Ìý
Finite-Lived Intangible Liability, Gross (71) Ìý
Finite-Lived Intangible Liability, Accumulated Amortization 7 Ìý
Finite-Lived Intangible Liability, Net (64) Ìý
Customer Relationships Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 77 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (3) Ìý
Finite-Lived Intangible Assets, Net 74 Ìý
Technology-Based Intangible Assets Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 60 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (3) Ìý
Finite-Lived Intangible Assets, Net 57 Ìý
Trade Names Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 11 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (1) Ìý
Finite-Lived Intangible Assets, Net 10 Ìý
Mining Permits [Member] Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 72 $ 72
Finite-Lived Intangible Assets, Accumulated Amortization (25) (24)
Finite-Lived Intangible Assets, Net $ 47 $ 48