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Financial Instruments - Narrative (Details) bbl in Millions, MMBbls in Millions, BarrelOfButane in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 USD ($) BarrelOfButane | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) BarrelOfButane MMBbls | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) bbl MMBbls
Derivatives, Fair Value |  |  |  |  |  |
Unrealized Gain On Derivative Contracts |  | $ 344,000,000 |  | $ 344,000,000 |  | $ 805,000,000
Deconsolidation of Investment in Auto Plus |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Equity investments, Fair value |  | 0 |  | 0 |  |
Investment Segment |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Fair value of derivative instruments with credit risk related contingent features in a liability position |  | 0 |  | 0 |  | 0
Investment Segment | Not designated as hedging instrument | Other assets [Member] |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Unrealized Gain On Derivative Contracts | [1] | 327,000,000 |  | 327,000,000 |  | $ 805,000,000
Energy Segment |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Unrealized Gain On Derivative Contracts |  | 17,000,000 |  | 17,000,000 |  |
Energy Segment | Not designated as hedging instrument | Cost of Goods and Service Benchmark |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
(Losses) gains on derivatives not designated as hedging instruments recognized in income |  | $ (4,000,000) | $ (68,000,000) | $ 41,000,000 | $ (66,000,000) |
Future Contracts | Maximum |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative volume (barrels) | MMBbls |  |  |  | 1 |  | 1
Forward Contracts | Energy Segment | Not designated as hedging instrument |  |  |  |  |  |
Derivatives, Fair Value |  |  |  |  |  |
Derivative, Number of Instruments Held |  | 63 |  | 63 |  | 34
[1] | Excludes netting of cash collateral received and posted. The total collateral posted at June 30, 2023 and December 31, 2022 was $2,034 million and $1,436 million, respectively, across all counterparties, which are included in cash held at consolidated affiliated partnerships and restricted cash in the condensed consolidated balance sheets.

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