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Inventories (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Schedule of Inventories |  |  |  |  |  |
Refinery feedstocks | $ 2,000 |  | $ 2,000 |  |  | $ 2,399
Refined petroleum products and blendstocks | 3,161 |  | 3,161 |  |  | 4,034
Renewable diesel feedstocks and products | 53 |  | 53 |  |  | 46
Ethanol feedstocks and products | 224 |  | 224 |  |  | 260
Materials and supplies | 276 |  | 276 |  |  | 274
Inventories before LCM inventory valuation reserve | 5,714 |  | 5,714 |  |  | 7,013
LCM inventory valuation reserve | (294) |  | (294) |  | $ (2,500) | 0
Inventories | 5,420 |  | 5,420 |  |  | 7,013
Inventories (Textual) |  |  |  |  |  |
Lower of cost or market (LCM) inventory valuation adjustment | (2,248) | $ 0 | 294 | $ 0 |  |
Excess of market value over carrying amount of LIFO inventories |  |  |  |  |  | 2,500
Amount of non-LIFO inventory | $ 912 |  | $ 912 |  |  | $ 1,400

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(4),(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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