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Derivative Instruments and Hedging Activities - Maximum Potential Payout/Notional of Credit Protection Sold (Details) - Credit Protection Sold - USD ($) $ in Billions	Sep. 30, 2025	Dec. 31, 2024
Credit Derivatives
Maximum potential payout/notional	$ 537	$ 368
CDS
Credit Derivatives
Maximum potential payout/notional	534	365
CDS protection sold with identical protection purchased	474	303
Single-name CDS
Credit Derivatives
Maximum potential payout/notional	148	133
Single-name CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	103	93
Single-name CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	45	40
Index and basket CDS
Credit Derivatives
Maximum potential payout/notional	386	232
Index and basket CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	26	25
Index and basket CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	360	207
Other credit contracts
Credit Derivatives
Maximum potential payout/notional	3	3
Less Than 1 (Year)
Credit Derivatives
Maximum potential payout/notional	35	36
Less Than 1 (Year) | CDS
Credit Derivatives
Maximum potential payout/notional	35	36
Less Than 1 (Year) | Single-name CDS
Credit Derivatives
Maximum potential payout/notional	22	22
Less Than 1 (Year) | Single-name CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	15	15
Less Than 1 (Year) | Single-name CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	7	7
Less Than 1 (Year) | Index and basket CDS
Credit Derivatives
Maximum potential payout/notional	13	14
Less Than 1 (Year) | Index and basket CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	4	3
Less Than 1 (Year) | Index and basket CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	9	11
Less Than 1 (Year) | Other credit contracts
Credit Derivatives
Maximum potential payout/notional	0	0
1 - 3 (Years)
Credit Derivatives
Maximum potential payout/notional	90	81
1 - 3 (Years) | CDS
Credit Derivatives
Maximum potential payout/notional	90	81
1 - 3 (Years) | Single-name CDS
Credit Derivatives
Maximum potential payout/notional	52	47
1 - 3 (Years) | Single-name CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	34	31
1 - 3 (Years) | Single-name CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	18	16
1 - 3 (Years) | Index and basket CDS
Credit Derivatives
Maximum potential payout/notional	38	34
1 - 3 (Years) | Index and basket CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	12	12
1 - 3 (Years) | Index and basket CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	26	22
1 - 3 (Years) | Other credit contracts
Credit Derivatives
Maximum potential payout/notional	0	0
3 - 5 (Years)
Credit Derivatives
Maximum potential payout/notional	293	221
3 - 5 (Years) | CDS
Credit Derivatives
Maximum potential payout/notional	293	221
3 - 5 (Years) | Single-name CDS
Credit Derivatives
Maximum potential payout/notional	54	53
3 - 5 (Years) | Single-name CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	38	37
3 - 5 (Years) | Single-name CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	16	16
3 - 5 (Years) | Index and basket CDS
Credit Derivatives
Maximum potential payout/notional	239	168
3 - 5 (Years) | Index and basket CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	8	10
3 - 5 (Years) | Index and basket CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	231	158
3 - 5 (Years) | Other credit contracts
Credit Derivatives
Maximum potential payout/notional	0	0
Over 5 (Years)
Credit Derivatives
Maximum potential payout/notional	119	30
Over 5 (Years) | CDS
Credit Derivatives
Maximum potential payout/notional	116	27
Over 5 (Years) | Single-name CDS
Credit Derivatives
Maximum potential payout/notional	20	11
Over 5 (Years) | Single-name CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	16	10
Over 5 (Years) | Single-name CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	4	1
Over 5 (Years) | Index and basket CDS
Credit Derivatives
Maximum potential payout/notional	96	16
Over 5 (Years) | Index and basket CDS | Investment grade
Credit Derivatives
Maximum potential payout/notional	2	0
Over 5 (Years) | Index and basket CDS | Non-investment grade
Credit Derivatives
Maximum potential payout/notional	94	16
Over 5 (Years) | Other credit contracts
Credit Derivatives
Maximum potential payout/notional	$ 3	$ 3

X

- Definition

Notional amount of purchased credit protection expected to cover future payments under the credit risk derivative.

+ References

No definition available.

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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

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- Definition

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