Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Narrative) (Details)

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SUBSEQUENT EVENTS (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
May 04, 2021
Mar. 31, 2021
Mar. 31, 2020
Subsequent Event [Line Items]      
Dividends on common stock (in dollars per share)   $ 0.25 $ 0.25
Dividends on preferred stock (in dollars per share)   $ 171.88  
Stock repurchase program, expiration date   Jun. 30, 2021  
Subsequent Event      
Subsequent Event [Line Items]      
Common stock dividend increase in amount per share $ 0.03    
Common stock dividend percentage of increase in amount per share 12.00%    
Dividends payable, date declared May 04, 2021    
Stock repurchase program, expiration date Jun. 30, 2022    
Subsequent Event | Maximum      
Subsequent Event [Line Items]      
Stock repurchase program, authorized amount $ 125    
Common Stock, Class A | Subsequent Event      
Subsequent Event [Line Items]      
Dividends on common stock (in dollars per share) $ 0.28    
Dividends payable, date to be paid Jun. 04, 2021    
Dividends payable, date of record May 21, 2021    
Depositary Shares | Subsequent Event      
Subsequent Event [Line Items]      
Dividends on preferred stock (in dollars per share) $ 0.43    
Series A Preferred Stock      
Subsequent Event [Line Items]      
Number of preferred stock represented by each depositary share   The Series A preferred stock is represented by depositary shares, each representing a 1/400th ownership interest in a share of Series A preferred stock  
Series A Preferred Stock | Subsequent Event      
Subsequent Event [Line Items]      
Dividends on preferred stock (in dollars per share) $ 171.88    
Dividends payable, date to be paid Jun. 01, 2021    
Dividends payable, date of record May 17, 2021