Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Narrative (Details)

v3.22.2.2
Derivatives - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Derivative [Line Items]            
Shareholders’ equity $ 269,524 $ 269,118 $ 270,066 $ 272,464 $ 277,119 $ 272,924
Net income (loss) in AOCI expected to be reclassified, after tax (3,700)          
Net income (loss) in AOCI expected to be reclassified $ (4,900)          
Open cash flow hedge, forecasted transactions hedging period (in years) 7 years          
Terminated cash flow hedges, period forecasted transaction recognized in interest income (in years) 5 years          
Bank of America, N.A.            
Derivative [Line Items]            
Collateral not yet posted $ 2,500          
Credit derivatives            
Derivative [Line Items]            
Cash and securities held as collateral 120,000   91,400      
Cash and securities collateral posted 85,800   79,300      
Collateral not yet posted 4,000          
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 4,900   4,800      
Fair value of derecognized assets 4,600   $ 5,000      
Derivatives            
Derivative [Line Items]            
Shareholders’ equity (12,800)          
Pretax income (loss) in accumulated OCI $ (17,000)