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Accounting for Transfers and Servicing of Financial Assets and Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Variable Interest Entities
The following table provides a summary of investments in community development and tax-advantaged VIEs that the Company has not consolidated:
At December 31 (Dollars in Millions)20232022
Investment carrying amount$6,659 $5,452 
Unfunded capital and other commitments3,619 2,416 
Maximum exposure to loss9,002 9,761