Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions |
Jun. 30, 2021 |
Dec. 31, 2020 |
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| Inventories [Abstract] | ||
| Crude oil and natural gas | $ 572 | $ 461 |
| Materials and supplies | 566 | 541 |
| Total Inventories | $ 1,138 | $ 1,002 |
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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