Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Narrative (Details)

v3.20.2
Derivatives - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Derivative [Line Items]            
Shareholders’ equity $ 265,637 $ 264,918 $ 264,810 $ 271,408 $ 267,010 $ 265,325
Net income (loss) in AOCI expected to be reclassified, after tax 189          
Net income (loss) in AOCI expected to be reclassified $ 250          
Terminated cash flow hedges, forecasted transaction hedging period 3 years          
Terminated cash flow hedges, maximum forecasted transaction hedging period 16 years          
Bank of America, N.A.            
Derivative [Line Items]            
Collateral not yet posted $ 1,300          
Credit derivatives            
Derivative [Line Items]            
Cash and securities held as collateral 89,000   84,300      
Cash and securities collateral posted (85,300)   (69,100)      
Collateral not yet posted 2,200          
Foreign Mortgage-backed Securities and Foreign Securities            
Derivative [Line Items]            
Transfer of mortgage-backed securities to third-party trust 5,200   5,200      
Gross cash proceeds from transfer of securities 5,200   5,200      
Fair value of derecognized assets 5,100   $ 5,300      
Derivatives            
Derivative [Line Items]            
Shareholders’ equity 332          
Pretax income (loss) in accumulated OCI $ 441