Annual report pursuant to Section 13 and 15(d)

Securities Financing Agreements, Short-term Borrowings and Restricted Cash - Additional Information (Details)

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Securities Financing Agreements, Short-term Borrowings and Restricted Cash - Additional Information (Details) - Bank of America, N.A. - Subsidiaries - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Registration statement, minimum maturity period 7 days  
Registration statement, short-term debt outstanding under program $ 1.8 $ 3.9
Bank Notes    
Debt Instrument [Line Items]    
Registration statement, authorized $ 75.0