v3.26.1
Equity - Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
Mar. 13, 2023
Jun. 30, 2026
Dec. 31, 2025
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share)   $ 25,000 $ 25,000
Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Initial dividend rate 8.00%    
Variable dividend rate 3.728%    
Depositary Shares      
Class of Stock [Line Items]      
Shares issued and sold (in shares) 22,000,000    
Preferred stock, liquidation preference (in usd per share) $ 25    
Net proceeds received $ 533    
Depositary Shares | Any time prior to March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25.50    
Depositary Shares | Within 90 days after the occurrence of a regulatory capital event      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25    
Depositary Shares | On or after March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25    
Depositary Shares | Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Fractional interest 0.10%    
Preferred stock, liquidation preference (in usd per share) $ 25,000    
Call/dividend rate reset period 5 years    
Depositary Shares | Noncumulative Preferred Stock | Any time prior to March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25,500    
Depositary Shares | Noncumulative Preferred Stock | Within 90 days after the occurrence of a regulatory capital event      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25,000    
Depositary Shares | Noncumulative Preferred Stock | On or after March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25,000