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Estimates (Schedule of Inventory) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Inventory, Net [Abstract] |  |
Natural gas, NGLs and refined products | $ 1,802 | $ 1,259
Crude oil | 246 | 328
Spare parts and other | 413 | 427
Total inventories | $ 2,461 | $ 2,014

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