v3.25.2
Shareholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Feb. 06, 2025
Jul. 31, 2025
Feb. 28, 2025
Jul. 31, 2024
Jan. 31, 2024
Apr. 30, 2016
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jan. 19, 2024
Class of Stock [Line Items]                          
Proceeds from issuance of preferred stock, net of issuance costs                     $ 743 $ 1,481  
Preferred stock cash dividend             $ 63 $ 46 $ 55 $ 34 $ 109 $ 89  
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   $ 2,145   $ 0 $ 4,214  
Preferred stock cash dividend             $ 0   $ 11   $ 0 $ 21  
Series H Preferred Stock, Depository Share                          
Class of Stock [Line Items]                          
Preferred dividends declared (USD per share)             $ 0   $ 21.45   $ 0 $ 42.14  
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   $ 2,513   $ 3,350 $ 2,513  
Preferred stock cash dividend             $ 25   $ 38   $ 50 $ 38  
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   $ 25.13   $ 33.50 $ 25.13  
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   $ 3,350 $ 0  
Preferred stock cash dividend             $ 15   $ 0   $ 29 $ 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   $ 33.50 $ 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)             $ 2,311   $ 0   $ 2,311 $ 0  
Preferred stock cash dividend             $ 17   $ 0   $ 17 $ 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)             $ 23.11   $ 0   $ 23.11 $ 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   $ 2,675 $ 2,675  
Preferred stock cash dividend             $ 6   $ 6   $ 13 $ 13  
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   $ 0.67 $ 0.67  
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)             $ 300