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Sales and Other Operating Revenues - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Revenue from Contract with Customer [Abstract] |  |  |  |  |
Accounts receivable, after allowance for credit loss | $ 4,323 |  | $ 4,323 |  | $ 4,414
Revenue recognized | 0 | $ 0 | 0 | $ 0 |
Contract with customer, liability | $ 45 |  | $ 45 |  |

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