Quarterly report [Sections 13 or 15(d)]

Derivatives - Narrative (Details)

v3.26.1
Derivatives - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Derivative [Line Items]        
Shareholders’ equity $ 300,668 $ 293,949 $ 303,243 $ 293,963
Net loss in AOCI expected to be reclassified, after tax 2,000      
Net loss in AOCI expected to be reclassified $ 2,700      
Open cash flow hedge, forecasted transactions hedging period (in years) 3 years      
Terminated cash flow hedges, period forecasted transaction recognized in interest income (in years) 2 years      
Bank of America, N.A. and subsidiaries        
Derivative [Line Items]        
Collateral not yet posted $ 2,500      
Interest rate risk on long-term debt        
Derivative [Line Items]        
Decrease in liability 12,400   12,900  
Interest rate risk on AFS securities        
Derivative [Line Items]        
Available-for-sale securities from discontinued hedging relationships cumulative decrease 1,500   2,700  
Credit derivatives        
Derivative [Line Items]        
Cash and securities held as collateral 126,000   119,700  
Cash and securities collateral posted 94,700   97,800  
Collateral not yet posted 4,900      
Foreign Mortgage-backed Securities and Foreign Securities        
Derivative [Line Items]        
Transfer of mortgage-backed securities to third-party trust 4,100   3,900  
Gross cash proceeds from transfer of securities 4,100   3,900  
Fair value of derecognized assets 4,000   3,800  
Derivatives        
Derivative [Line Items]        
Shareholders’ equity (2,625) (4,275) $ (1,998) $ (5,588)
Pretax loss in accumulated OCI 3,500      
Pretax losses reclassified from accumulated OCI $ 374 $ 390