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Fair Value Measurement - Unobservable inputs (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Other Assets, Current | $ 608 | $ 523 |
Other Assets, Noncurrent | 1,501 | 1,460 |
Gulf of Mexico Contingent Consideration |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair value at January 1, 2022 | 81 |  |
Net unrealized loss related to assets still held at the end of the period | (3) |  |
Settlements | (11) |  |
Fair value at June 30, 2022 | 67 |  |
Deepwater Gulf of Mexico Interests | Freeport-McMoRan Oil & Gas |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Contingent Receivable |  |  | $ 150
Other Assets, Current | 20 | 20 |
Other Assets, Noncurrent | $ 59 | $ 70 |

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