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ASSET RETIREMENT OBLIGATIONS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Changes in timing and amount of estimated cash flows   $ 117 $ 10
Regulation of Waste Disposal      
Segment Reporting Information [Line Items]      
Changes in timing and amount of estimated cash flows $ 125    
Other Operating Income (Expense) | Regulation of Waste Disposal      
Segment Reporting Information [Line Items]      
Changes in timing and amount of estimated cash flows 120    
Other Operating Income (Expense) | Corporate/Other | Regulation of Waste Disposal      
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    
Integrated | Other Operating Income (Expense) | Operating Segments | Regulation of Waste Disposal      
Segment Reporting Information [Line Items]      
Changes in timing and amount of estimated cash flows 16    
Distribution Segment | Other Operating Income (Expense) | Operating Segments | Regulation of Waste Disposal      
Segment Reporting Information [Line Items]      
Changes in timing and amount of estimated cash flows $ 46