v3.26.1
Stockholders' Equity - Preferred Stock Issued and Outstanding (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Class of Stock [Line Items]    
Shares issued (in shares) 1,405,205 1,405,205
Shares outstanding (in shares) 1,405,205 1,405,205
Carrying value $ 6,763 $ 6,763
Series D    
Class of Stock [Line Items]    
Shares issued (in shares) 750,000 750,000
Shares outstanding (in shares) 750,000 750,000
Liquidation preference per share (in USD per share) $ 1,000  
Carrying value $ 728 $ 728
Dividend rate in effect 5.95%  
Series J    
Class of Stock [Line Items]    
Shares issued (in shares) 600,000 600,000
Shares outstanding (in shares) 600,000 600,000
Liquidation preference per share (in USD per share) $ 1,000  
Carrying value $ 584 $ 584
Dividend rate in effect 4.45%  
Series F    
Class of Stock [Line Items]    
Shares issued (in shares) 4,884 4,884
Shares outstanding (in shares) 4,884 4,884
Liquidation preference per share (in USD per share) $ 100,000  
Carrying value $ 481 $ 481
Dividend rate in effect 5.00%  
Series F | London Interbank Offered Rate (LIBOR)    
Class of Stock [Line Items]    
Dividend term 3 months  
Floating annual rate 2.575%  
Series H    
Class of Stock [Line Items]    
Shares issued (in shares) 22,267 22,267
Shares outstanding (in shares) 22,267 22,267
Liquidation preference per share (in USD per share) $ 100,000  
Carrying value $ 2,200 $ 2,200
Dividend rate in effect 4.00%  
Dividend term 10 years  
Series H | US Treasury (UST) Interest Rate    
Class of Stock [Line Items]    
Dividend term 10 years  
Floating annual rate 3.079%  
Series I    
Class of Stock [Line Items]    
Shares issued (in shares) 20,554 20,554
Shares outstanding (in shares) 20,554 20,554
Liquidation preference per share (in USD per share) $ 100,000  
Carrying value $ 2,030 $ 2,030
Dividend rate in effect 4.00%  
Dividend term 5 years  
Series I | US Treasury (UST) Interest Rate    
Class of Stock [Line Items]    
Dividend term 5 years  
Floating annual rate 3.168%  
Series K    
Class of Stock [Line Items]    
Shares issued (in shares) 7,500 7,500
Shares outstanding (in shares) 7,500 7,500
Liquidation preference per share (in USD per share) $ 100,000  
Carrying value $ 740 $ 740
Dividend rate in effect 5.00%  
Dividend term 5 years  
Series K | US Treasury (UST) Interest Rate    
Class of Stock [Line Items]    
Dividend term 5 years  
Floating annual rate 3.256%