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Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Inventory Disclosure [Abstract] |  |
Finished goods | $ 2,249 | $ 2,022
Raw materials and work in process | 10,165 | 8,831
Supplies | 325 | 289
Total | 12,739 | 11,142
Decrease to LIFO cost | (883) | (840)
Total current and noncurrent inventories | 11,856 | 10,302
Recognized as: |  |
Inventories | 6,444 | 6,109
Other Assets | $ 5,412 | $ 4,193

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