v3.26.3
Shareholders' Equity - Summary of Cash Dividends Declared per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Class of Stock [Line Items]        
Common stock, dividends per share (in dollars per share) $ 0.52 $ 0.52 $ 1.56 $ 1.56
Common stock, aggregate dividends $ 629 $ 665 $ 1,910 $ 2,014
Preferred stock, aggregate dividends $ 115 $ 104 $ 253 $ 268
Series I        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 1,138.75 $ 1,291.71 $ 3,408.8 $ 3,880.42
Preferred stock, aggregate dividends $ 2 $ 3 $ 6 $ 7
Series J        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 1,168.13 $ 1,320.78 $ 3,496.33 $ 3,967.63
Preferred stock, aggregate dividends $ 2 $ 1 $ 4 $ 4
Series M        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 0 $ 0 $ 2,562.5 $ 2,562.5
Preferred stock, aggregate dividends $ 0 $ 0 $ 13 $ 13
Series N        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 833.63 $ 833.63 $ 1,667.25 $ 1,667.26
Preferred stock, aggregate dividends $ 57 $ 56 $ 113 $ 112
Series O        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 328.13 $ 328.13 $ 984.38 $ 984.38
Preferred stock, aggregate dividends $ 8 $ 8 $ 23 $ 23
Series P        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 0 $ 0 $ 0 $ 618.75
Preferred stock, aggregate dividends $ 0 $ 0 $ 0 $ 25
Series Q        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 637.50 $ 637.50 $ 1,275 $ 1,275
Preferred stock, aggregate dividends $ 25 $ 25 $ 51 $ 51
Series R        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 296.88 $ 296.88 $ 890.63 $ 890.63
Preferred stock, aggregate dividends $ 11 $ 11 $ 33 $ 33
Series S        
Class of Stock [Line Items]        
Preferred stock, dividends per share (in dollars per share) $ 520.83 $ 0 $ 520.83 $ 0
Preferred stock, aggregate dividends $ 10 $ 0 $ 10 $ 0