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Property and Equipment - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Property and Equipment |  |  |  |
Depreciation expense |  | $ 733 | $ 707 | $ 652
Construction in progress expenditures incurred but not yet paid |  | $ 55 | $ 46 | 48
Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow |  |  |  |
Property and Equipment |  |  |  |
Discount rate, asset impairment analysis, cost of capital, theoretical market participant (as a percent) | 15.00% |  |  |
Crude Oil | California assets |  |  |  |
Property and Equipment |  |  |  |
Non-cash impairment losses, long-lived assets | $ 330 |  |  |
Impairment, long-lived asset, held-for-use, statement of income [extensible enumeration] | Gains/(losses) on asset sales and asset impairments, net |  |  |
Crude Oil | Crude oil storage terminal assets |  |  |  |
Property and Equipment |  |  |  |
Non-cash impairment losses, long-lived assets |  |  |  | $ 220
Impairment, long-lived asset, held-for-use, statement of income [extensible enumeration] |  |  |  | Gains/(losses) on asset sales and asset impairments, net

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