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Other Borrowings and Securities Sold Under Repurchase Agreements (FHLB advances and long-term notes payable) - Additional Information (Details)
Dec. 31, 2021
USD ($)
Federal Funds Purchased And Securities Sold Under Agreements To Repurchase [Abstract]  
Funds available on other borrowings and securities $ 13,590,000,000
Federal Home Loan Bank advances 0
Long-term Federal Home Loan Bank advances, noncurrent $ 0