Annual report [Section 13 and 15(d), not S-K Item 405]

Regulatory Requirements and Restrictions - Narrative (Details)

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Regulatory Requirements and Restrictions - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Cash segregated under other regulations $ 4,000 $ 3,600
Securities segregated under other regulations 18,300 18,000
Deposits with clearing organizations $ 21,500 $ 23,700
Bank of America, N.A.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Preceding period of net profits for dividends 2 years  
Cash dividends allowable to be declared and paid by consolidated subsidiaries to the parent company $ 13,000  
Bank of America, N.A.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Proceeds from dividends received 20,800  
Subsidiaries, Bank of America California, N.A.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Proceeds from dividends received $ 500