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SEGMENT INFORMATION - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating revenues	$ 2,537	$ 2,155	$ 2,643
Segment operating revenues	3,198	2,801	2,707
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	2,572	2,172	2,660
Operating Segments Excluding Intersegment Elimination
Segment Reporting, Revenue Reconciling Item [Line Items]
Other revenues and income	654	629	47
Intersegment Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	(28)
Reportable Segment
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating revenues	2,537	2,041	2,490
Interest and other revenue	7	17	17
Reportable Segment | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	2,572	2,172	2,660
Reportable Segment | Intersegment Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	(28)	(114)	(153)
Oil and Natural Gas
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating revenues	2,537	2,041	2,490
Interest and other revenue	7	17	17
Oil and Natural Gas | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	2,572	2,172	2,660
Oil and Natural Gas | Intersegment Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	(28)	(114)	(153)
Carbon Management
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating revenues	0	0	0
Interest and other revenue	0	0	0
Carbon Management | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	0	0	0
Carbon Management | Intersegment Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment operating revenues	$ 0	$ 0	$ 0

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