Annual report [Section 13 and 15(d), not S-K Item 405]

Shareholders' Equity - Preferred Stock Narrative (Details)

v3.25.0.1
Shareholders' Equity - Preferred Stock Narrative (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
director
trading_day
semi-annualPeriod
consecutive_trading_day
quarterlyPeriod
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
Class of Stock [Line Items]      
Preferred stock dividends | $ $ 1,613 $ 1,649 $ 1,596
Values of preferred stock redeemed | $ $ 5,300    
Preferred stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01  
Preferred Stock Excluding Series B, F And G Preferred      
Class of Stock [Line Items]      
Number of semi-annual periods in arrears (or more) | semi-annualPeriod 3    
Number of quarterly periods in arrears (or more) | quarterlyPeriod 6    
Number of additional directors to be elected | director 2    
Number of semi-annual periods for termination (at least) | semi-annualPeriod 2    
Number of quarterly periods for termination | quarterlyPeriod 4    
Series L Preferred Stock      
Class of Stock [Line Items]      
Per annum dividend rate 7.25%    
Preferred stock to be convertible into common shares (in shares) | shares 20    
Number of trading days | trading_day 20    
Number of consecutive trading days | consecutive_trading_day 30    
Threshold percentage of common stock closing price (exceeds) 130.00%