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Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of inventory by costing method [Table Text Block] | The following table sets forth the Company’s inventories as of December 31, 2021 and 2020.
| December 31, 2021 |  | December 31, 2020
| (In millions)
FIFO inventories | $ | 4,260 |  |  | $ | 3,310 |
Market inventories | 9,769 |  |  | 7,941 |
Supplies and other inventories | 452 |  |  | 462 |
Total inventories | $ | 14,481 |  |  | $ | 11,713 |

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- Definition Tabular disclosure of the valuation of inventories using the lower of cost, determined by either LIFO or FIFO method, or market. + References No definition available. + Details
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