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GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES - Intangible Assets and Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | $ 269 | $ 269
Finite-Lived Intangible Assets, Accumulated Amortization | (59) | (55)
Finite-Lived Intangible Assets, Net, Total | 210 | 214
Above-market supply contracts, Gross Amount | (71) | (71)
Above-market supply contracts, Accumulated Amortization | 20 | 19
Above-market supply contracts, Net | (51) | (52)
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 90 | 90
Finite-Lived Intangible Assets, Accumulated Amortization | (15) | (13)
Finite-Lived Intangible Assets, Net, Total | 75 | 77
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 60 | 60
Finite-Lived Intangible Assets, Accumulated Amortization | (11) | (10)
Finite-Lived Intangible Assets, Net, Total | 49 | 50
Trade names and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 18 | 18
Finite-Lived Intangible Assets, Accumulated Amortization | (4) | (4)
Finite-Lived Intangible Assets, Net, Total | 14 | 14
Mining permits |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 72 | 72
Finite-Lived Intangible Assets, Accumulated Amortization | (27) | (27)
Finite-Lived Intangible Assets, Net, Total | 45 | 45
Supplier relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 29 | 29
Finite-Lived Intangible Assets, Accumulated Amortization | (2) | (1)
Finite-Lived Intangible Assets, Net, Total | $ 27 | $ 28

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