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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Plants, Property and Equipment, Net (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Accumulated depreciation $ 3,700   $ 3,700   $ 3,600
Depreciation $ 30 $ 25 88 $ 77  
Non-cash additions     $ 9   $ 36