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

Shareholders' Equity - Preferred Stock Narrative (Details)

v3.25.4
Shareholders' Equity - Preferred Stock Narrative (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Jul. 24, 2025
USD ($)
$ / shares
shares
Apr. 29, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
semi-annualPeriod
quarterlyPeriod
trading_day
director
consecutive_trading_day
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
Class of Stock [Line Items]          
Preferred stock dividends     $ 1,445 $ 1,613 $ 1,649
Preferred stock issued (in shares) | shares     3,991,164 3,877,917  
Proceeds from issuance     $ 5,493 $ 0 $ 0
Redemption of preferred stock     $ 2,700    
Preferred stock, par value (in dollars per share) | $ / shares     $ 0.01 $ 0.01  
Series OO Preferred Stock          
Class of Stock [Line Items]          
Preferred stock issued (in shares) | shares   120,000      
Preferred stock dividend rate percentage   6.625% 6.625%    
Proceeds from issuance   $ 3,000      
Liquidation preference per share (in dollars per share) | $ / shares   $ 25,000 $ 25,000    
Series UU Preferred Stock          
Class of Stock [Line Items]          
Preferred stock issued (in shares) | shares 100,000        
Preferred stock dividend rate percentage 6.25%   6.25%    
Proceeds from issuance $ 2,500        
Liquidation preference per share (in dollars per share) | $ / shares $ 25,000   $ 25,000    
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]          
Preferred stock dividend rate percentage     7.25%    
Liquidation preference per share (in dollars per share) | $ / shares     $ 1,000    
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%