XML 34 R76.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
Apr. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Subsequent Event [Line Items]      
Preferred stock, par value (USD per share)   $ 0.01 $ 0.01
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Liquidation preference per share (USD per share) $ 1,000    
Proceeds from offering $ 2,470    
Depositary Shares [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Number of shares issued (in shares) 2,500,000    
Ownership interest 1.00%    
Series G Preferred Stock [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Fixed rate 5.375%    
Preferred stock, par value (USD per share) $ 0.01    
Liquidation preference per share (USD per share) $ 100,000