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

Commitments and Contingencies - Renewable Fuel Standard (Details) - USD ($) $ in Millions		72 Months Ended
	Aug. 31, 2026	Dec. 31, 2024	Sep. 30, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Waiver percentage	10000.00%
RIN obligation, reduced	$ 118	$ 424
Increase (decrease) accrued obligation	$ (253)	$ (488)
Environmental, Health, and Safety Matters \| Petroleum Segment
Loss Contingencies [Line Items]
RFS obligation			$ 230	$ 72