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Financial Instruments - Energy Segments Derivatives (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative [Line Items] |  |
Collateral for derivative positions | $ 20 | $ 7
Energy Segment |  |
Derivative [Line Items] |  |
Liability derivatives, Gross | 2 | (1)
Commodity Contract | Energy Segment |  |
Derivative [Line Items] |  |
Liability derivatives, Gross | $ (41) | $ 5

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