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Financial Instruments - Narrative (Details) MMBbls in Millions, BarrelOfButane in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2022 USD ($) BarrelOfButane MMBbls	Dec. 31, 2021 USD ($) BarrelOfButane MMBbls	Dec. 31, 2020 USD ($)
Derivatives, Fair Value
Unrealized Gain On Derivative Contracts		$ 812	$ 612
Investment Segment | Not designated as hedging instrument | Other assets [Member]
Derivatives, Fair Value
Unrealized Gain On Derivative Contracts	[1]	805	611
Energy Segment | Not designated as hedging instrument | Other assets [Member]
Derivatives, Fair Value
Derivative Asset		7	4
Unrealized Gain On Derivative Contracts		4	2
Energy Segment | Not designated as hedging instrument | Cost of Goods and Service Benchmark
Derivatives, Fair Value
Gain (loss) on derivatives not designated as hedging instruments recognized in income		$ (55)	$ (44)	$ 55
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		34	3
Credit Default Swap | Energy Segment | Not designated as hedging instrument
Derivatives, Fair Value
Derivative, Number of Instruments Held		1
[1] Excludes netting of cash collateral received and posted. The total collateral posted at December 31, 2022 and 2021 was $1,436 million and $1,906 million, respectively, across all counterparties, which are included in cash held at consolidated affiliated partnerships and restricted cash in the consolidated balance sheets.

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