Derivative Instruments and Hedging Activities - Protection Purchased with CDS (Details) - Protection Purchased - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Credit Derivatives
Notional	$ 383,000	$ 409,000
CDS
Credit Derivatives
Fair Value Asset (Liability)	(3,701)	(5,019)
Single name
Credit Derivatives
Notional	162,000	166,000
Fair Value Asset (Liability)	(2,696)	(2,799)
Index and basket
Credit Derivatives
Notional	187,000	213,000
Fair Value Asset (Liability)	84	(1,208)
Tranched index and basket
Credit Derivatives
Notional	34,000	30,000
Fair Value Asset (Liability)	$ (1,089)	$ (1,012)

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No definition available.

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- Definition

Fair value of credit risk derivative asset after deduction of credit risk derivative liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4K
-Subparagraph (c)
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4K

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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