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Commitments and Contingencies - Renewable Fuel Standards and RFS Disputes (Details) - EHS - Petroleum Segment - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Expense for compliance with RFS	$ (114)	$ 435	$ 435
RFS obligation	$ 329	$ 692

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- Definition

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- Definition

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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