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Derivatives and Risk Management Activities - Financial Impact (Details) - Commodity Derivatives - Derivatives Not Designated as a Hedge - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Impact of derivative activities recognized in earnings |  |  |  |
Net gain/(loss) from commodity derivative activity | $ 20 | $ (159) | $ (230) | $ (54)
Product sales revenues |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Net gain/(loss) from commodity derivative activity | 29 | (142) | (195) | (24)
Field operating costs |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Net gain/(loss) from commodity derivative activity | $ (9) | $ (17) | $ (35) | $ (30)

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