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Financial Instruments - Gain (Loss) Recognized on Derivatives Not Designated as Hedging Table (Details) - Not designated as hedging instrument - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net gain (loss) from investment activities
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	$ (385)	$ 357	$ (632)	$ 163
Equity Contract
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	(366)	392	(650)	483
Credit Risk Contract
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	(2)	$ (35)	34	$ (320)
Commodity Contract
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income		$ (17)		$ (16)
[1] Gains (losses) recognized on derivatives are classified in net (loss) gain from investment activities in our condensed consolidated statements of operations for our Investment segment.

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
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-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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