Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Common Stock Repurchase Summary (Details)

v3.21.1
Shareholders' Equity - Common Stock Repurchase Summary (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Class of Stock [Line Items]    
Total purchase price of shares repurchased and retired $ 3,470 $ 6,362
Common Stock    
Class of Stock [Line Items]    
Total number of shares repurchased and retired (in shares) 101  
Common Stock | CCAR capital plan repurchases    
Class of Stock [Line Items]    
Total purchase price of shares repurchased and retired $ 3,500