v3.26.1
VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Variable Interest Entity    
Other assets [1] $ 14,680 $ 14,428
Other liabilities [1] 5,397 5,439
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity    
Other liabilities 1,000 1,100
Variable Interest Entity, Not Primary Beneficiary | Low Income Housing Tax Credit Partnerships    
Variable Interest Entity    
Other assets 2,800 2,800
Variable Interest Entity, Not Primary Beneficiary | Renewable Energy Entities | Renewable Energy    
Variable Interest Entity    
Other assets 241 201
Commitments to extend credit | Variable Interest Entity, Not Primary Beneficiary | Special Purpose Entities    
Variable Interest Entity    
Commitment amount 4,300 $ 4,000
Renewable energy wind investments | Renewable Energy Entities    
Variable Interest Entity    
Commitment amount $ 55  
[1] Includes amounts in consolidated VIEs. See Note 6 for additional information.