Related Party Transactions - Summary of the Bancorp's Activities with its Principal Shareholders, Directors and Executives (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Related Party Transactions
Outstanding balance on loans, net of participations and undrawn commitments	$ 114,912	$ 119,286
Related Party
Related Party Transactions
Outstanding balance on loans, net of participations and undrawn commitments	111	85
Commitments to Extend Credit
Related Party Transactions
Commitments	81,570	83,437
Commitments to Extend Credit \| Directors and their affiliated companies
Related Party Transactions
Commitments	165	183
Commitments to Extend Credit \| Executive officers
Related Party Transactions
Commitments	3	5
Commitments to Extend Credit \| Related Party
Related Party Transactions
Commitments	$ 168	$ 188

Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services.

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