Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule of Inventories
Refinery feedstocks	$ 1,317	$ 2,223
Refined petroleum products and blendstocks	3,976	3,790
Renewable diesel feedstocks and products	1,081	913
Ethanol feedstocks and products	313	313
Materials and supplies	361	344
Inventories	$ 7,048	$ 7,583

The aggregate carrying amount as of the balance sheet date of unrefined petroleum and the liquid hydrocarbon components recovered from natural gas.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Carrying amount as of the balance sheet date of finished goods inventories for petroleum products, crude oil, petrochemical products, and other oil and gas inventories.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
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- Definition

Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
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Carrying amount as of the balance sheet date of ethanol feedstocks and products.

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- Definition

Carrying amount as of the balance sheet date of renewable diesel feedstocks and products.

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