DERIVATIVES - Schedule of Gains and Losses on Derivatives (Details) - Income Statement Location [Axis]: us-gaap:Revenues - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Marketing Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives	$ 908	$ 97	$ 910	$ (10)
Crude Collars
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives	$ 105	$ 0	$ (234)	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details