DERIVATIVES - Credit Derivatives (Details) $ in Millions	6 Months Ended
Jun. 30, 2026 USD ($) agency	Dec. 31, 2025 USD ($)
Credit Risk Derivatives
Fair values, receivable	$ 9,983.0	$ 9,723.0
Fair values, payable	9,955.0	11,232.0
Notionals, protection purchased	624,478.0	600,329.0
Notionals, protection sold	502,462.0	475,228.0
Fair value of derivative in liability position	15,000.0	16,000.0
Fair value of collateral already posted	$ 13,000.0	13,000.0
Number of rating agencies \| agency	3
Additional collateral to be posted	$ 200.0
Fair value gross derivative assets	442,830.0	406,408.0
Purchased
Credit Risk Derivatives
Fair values, receivable	3,792.0	3,899.0
Fair values, payable	8,192.0	9,275.0
Sold
Credit Risk Derivatives
Fair values, receivable	6,191.0	5,824.0
Fair values, payable	1,763.0	1,957.0
Within 1 year
Credit Risk Derivatives
Fair values, receivable	1,257.0	1,366.0
Fair values, payable	1,448.0	2,817.0
Notionals, protection purchased	179,987.0	173,546.0
Notionals, protection sold	145,852.0	135,335.0
From 1 to 5 years
Credit Risk Derivatives
Fair values, receivable	6,908.0	6,495.0
Fair values, payable	6,718.0	6,469.0
Notionals, protection purchased	374,537.0	360,174.0
Notionals, protection sold	326,731.0	311,311.0
After 5 years
Credit Risk Derivatives
Fair values, receivable	1,818.0	1,862.0
Fair values, payable	1,789.0	1,946.0
Notionals, protection purchased	69,954.0	66,609.0
Notionals, protection sold	29,879.0	28,582.0
Investment grade
Credit Risk Derivatives
Fair values, receivable	4,756.0	4,673.0
Fair values, payable	4,495.0	4,701.0
Notionals, protection purchased	446,210.0	451,504.0
Notionals, protection sold	391,477.0	382,219.0
Non-investment grade
Credit Risk Derivatives
Fair values, receivable	5,227.0	5,050.0
Fair values, payable	5,460.0	6,531.0
Notionals, protection purchased	178,268.0	148,825.0
Notionals, protection sold	110,985.0	93,009.0
Credit default swaps and options
Credit Risk Derivatives
Fair values, receivable	7,915.0	7,691.0
Fair values, payable	8,083.0	8,008.0
Notionals, protection purchased	546,964.0	529,748.0
Notionals, protection sold	484,656.0	457,932.0
Total return swaps and other
Credit Risk Derivatives
Fair values, receivable	2,068.0	2,032.0
Fair values, payable	1,872.0	3,224.0
Notionals, protection purchased	77,514.0	70,581.0
Notionals, protection sold	17,806.0	17,296.0
Interest rate swaps
Credit Risk Derivatives
Cash proceeds received for assets derecognized	4,800.0	8,200.0
Fair value of derecognized assets	4,900.0	8,000.0
Fair value gross derivative assets	86.0	103.0
Trading derivatives, liability	$ 23.0	$ 69.0

Credit Derivatives Notional Amount Purchased Credit Protection

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Represents the number of rating agencies under credit derivatives.

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The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions.

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Fair value of credit risk derivative asset.

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Fair value of credit risk derivative liability.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

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Amount, before counterparty netting, of cash proceeds received in transfers of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction.

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Fair value of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction.

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