v3.25.3
Shareholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended
Feb. 06, 2025
Oct. 30, 2025
Feb. 28, 2025
Jul. 31, 2024
Jan. 31, 2024
Apr. 30, 2016
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Jan. 19, 2024
Class of Stock [Line Items]                              
Proceeds from issuance of preferred stock, net of issuance costs                         $ 743 $ 2,323  
Preferred stock cash dividend             $ 58 $ 63 $ 46 $ 42 $ 55 $ 34 $ 167 $ 131  
Series D Preferred Stock                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)                         $ 0 $ 1,475  
Preferred stock cash dividend                         $ 0 $ 11  
Series D Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)                         $ 0 $ 0.37  
Series F Preferred Stock                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)                         $ 0 $ 2,336  
Preferred stock cash dividend                         $ 0 $ 6  
Series F Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)                         $ 0 $ 23.36  
Series H Preferred Stock                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)             $ 0     $ 2,036     $ 0 $ 6,251  
Preferred stock cash dividend             $ 0     $ 10     $ 0 $ 31  
Series H Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)             $ 0     $ 20.36     $ 0 $ 62.51  
Series I Preferred Stock                              
Class of Stock [Line Items]                              
Ownership Interest Per Depositary Share         1.00%                    
Liquidation preference per share (USD per share)         $ 100,000                    
Preferred dividends declared (USD per share)             $ 1,675     $ 1,675     $ 5,025 $ 4,188  
Preferred stock cash dividend             $ 25     $ 25     $ 75 $ 63  
Series I Preferred Stock | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 1,675                          
Preferred stock cash dividend   $ 25                          
Series I Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred stock issued (shares)         1,500,000                    
Liquidation preference per share (USD per share)         $ 1,000                    
Preferred dividends declared (USD per share)             $ 16.75     $ 16.75     $ 50.25 $ 41.88  
Series I Preferred Stock, Depository Share | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 16.75                          
Series J Preferred Stock                              
Class of Stock [Line Items]                              
Ownership Interest Per Depositary Share       1.00%                      
Liquidation preference per share (USD per share)       $ 100,000                      
Preferred dividends declared (USD per share)             $ 1,675     $ 0     $ 5,025 $ 0  
Preferred stock cash dividend             $ 14     $ 0     $ 43 $ 0  
Series J Preferred Stock | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 1,675                          
Preferred stock cash dividend   $ 14                          
Series J Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred stock issued (shares)       850,000                      
Liquidation preference per share (USD per share)       $ 1,000                      
Preferred dividends declared (USD per share)             $ 16.75     $ 0     $ 50.25 $ 0  
Series J Preferred Stock, Depository Share | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 16.75                          
Series K Preferred Stock                              
Class of Stock [Line Items]                              
Preferred stock issued (shares) 750,000                            
Ownership Interest Per Depositary Share 1.00%   1.00%                        
Liquidation preference per share (USD per share) $ 100,000   $ 100,000                        
Proceeds from issuance of preferred stock, net of issuance costs $ 743                            
Preferred dividends declared (USD per share)             $ 1,613     $ 0     $ 3,924 $ 0  
Preferred stock cash dividend             $ 12     $ 0     $ 29 $ 0  
Series K Preferred Stock | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 1,613                          
Preferred stock cash dividend   $ 12                          
Series K Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred stock issued (shares)     750,000                        
Liquidation preference per share (USD per share) $ 1,000   $ 1,000                        
Preferred dividends declared (USD per share)             $ 16.13     $ 0     $ 39.24 $ 0  
Series K Preferred Stock, Depository Share | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 16.13                          
Series G Preferred Stock                              
Class of Stock [Line Items]                              
Ownership Interest Per Depositary Share           0.025%                  
Liquidation preference per share (USD per share)           $ 100,000                  
Preferred dividends declared (USD per share)             $ 1,338     $ 1,338     $ 4,013 $ 4,013  
Preferred stock cash dividend             $ 7     $ 7     $ 20 $ 20  
Series G Preferred Stock | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 1,338                          
Preferred stock cash dividend   $ 7                          
Series G Preferred Stock, Depository Share                              
Class of Stock [Line Items]                              
Preferred stock issued (shares)           20,000,000                  
Liquidation preference per share (USD per share)           $ 25                  
Preferred dividends declared (USD per share)             $ 0.33     $ 0.33     $ 1 $ 1.00  
Series G Preferred Stock, Depository Share | Subsequent Event                              
Class of Stock [Line Items]                              
Preferred dividends declared (USD per share)   $ 0.33                          
2024 Share Repurchase Program                              
Class of Stock [Line Items]                              
Amount of common stock authorized for repurchase                             $ 5,000
Total Acquired (In millions)             $ 400