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Inventories (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
Schedule of Inventories |  |  |  |
Refinery feedstocks | $ 1,949 | $ 1,995 |  |
Refined petroleum products and blendstocks | 3,579 | 3,567 |  |
Renewable diesel feedstocks and products | 583 | 135 |  |
Ethanol feedstocks and products | 328 | 273 |  |
Materials and supplies | 313 | 295 |  |
Inventories | 6,752 | 6,265 |  |
Inventories (Textual) |  |  |  |
Excess of market value over carrying amount of LIFO inventories | 6,300 | 5,200 |  |
LCM inventory valuation reserve |  |  |  | $ 2,500
Lower of cost or market (LCM) inventory valuation adjustment | 0 | 0 | $ 19 |
Liquidation of LIFO, cost increase (decrease) | (323) |  |  |
Amount of non-LIFO inventory | $ 1,600 | $ 1,400 |  |

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- Definition The aggregate carrying amount as of the balance sheet date of unrefined petroleum and the liquid hydrocarbon components recovered from natural gas. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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