Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Narrative (Details)

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Derivatives - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Derivative [Line Items]            
Shareholders’ equity $ 269,118 $ 266,617 $ 270,066 $ 277,119 $ 274,000 $ 272,924
Net income (loss) in AOCI expected to be reclassified, after tax (2,500)          
Net income (loss) in AOCI expected to be reclassified $ (3,300)          
Terminated cash flow hedges, forecasted transaction hedging period 3 years          
Terminated cash flow hedges, maximum forecasted transaction hedging period 14 years          
Bank of America, N.A.            
Derivative [Line Items]            
Collateral not yet posted $ 1,600          
Credit derivatives            
Derivative [Line Items]            
Cash and securities held as collateral 107,300   91,400      
Cash and securities collateral posted 81,400   79,300      
Collateral not yet posted 3,000          
Foreign Mortgage-backed Securities and Foreign Securities            
Derivative [Line Items]            
Transfer of mortgage-backed securities to third-party trust 4,800   4,800      
Gross cash proceeds from transfer of securities 4,800   4,800      
Fair value of derecognized assets 4,900   $ 5,000      
Derivatives            
Derivative [Line Items]            
Shareholders’ equity (9,100)          
Pretax income (loss) in accumulated OCI $ (12,100)