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ASSET RETIREMENT OBLIGATIONS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Sep. 30, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows     $ 137 $ 10
Regulation of Waste Disposal        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows $ 25 $ 125    
Regulation of Waste Disposal | Other Operating Income (Expense)        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows   120    
Regulation of Waste Disposal | Other Operating Income (Expense) | Corporate/Other        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows   58    
Corporate Non Segment        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows   87    
Corporate Non Segment | Regulation of Waste Disposal        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows $ 25      
Integrated | Regulation of Waste Disposal | Other Operating Income (Expense) | Operating Segments        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows   16    
Distribution Segment | Regulation of Waste Disposal | Other Operating Income (Expense) | Operating Segments        
Segment Reporting Information [Line Items]        
Changes in timing and amount of estimated cash flows   $ 46