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Inventories Table - Inventory Balances (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Inventory [Line Items] |  |
Natural gas, NGLs and refined products | $ 1,834 | $ 1,989
Crude oil | 292 | 400
Spare parts and other | 661 | 681
Total inventories | $ 2,787 | $ 3,070

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