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SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Carrying Amounts and Classifications of Consolidated Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Variable Interest Entity
Cash	$ 23,545	$ 22,782	$ 25,266
Trading account assets	562,254	442,747
Investments	450,732	476,657
Other	113,116	102,206
Total assets	2,642,475	2,352,945
Unconsolidated VIEs
Variable Interest Entity
Cash	0	0
Trading account assets	3,300	3,400
Investments	5,100	5,600
Total loans, net of allowance	64,500	58,400
Other	600	600
Total assets	$ 73,500	$ 68,000

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