Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Preferred Stock (Details)

v3.20.1
Shareholders' Equity - Preferred Stock (Details) - USD ($)
 3 Months Ended
Jan. 24, 2020
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Class of Stock [Line Items]        
Preferred stock dividends   $ 469,000,000 $ 442,000,000  
Preferred stock issued (in shares)   3,887,440   3,887,440
Issuance of preferred stock   $ 1,098,000,000    
Series MM Preferred Stock        
Class of Stock [Line Items]        
Preferred stock issued (in shares) 44,000      
Issuance of preferred stock $ 1,100,000,000      
Liquidation preference $ 25,000      
Series Y Preferred Stock        
Class of Stock [Line Items]        
Repurchase of redeemable preferred stock   1,100,000,000    
Retained Earnings        
Class of Stock [Line Items]        
Preferred stock dividends   $ 469,000,000 $ 442,000,000