v3.26.1
Shareholders' Equity and Accumulated Other Comprehensive Income (Loss) (Narrative) (Details)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
$ / shares
Dec. 10, 2025
USD ($)
Stockholders' Equity And Comprehensive Income (Loss) [Line Items]      
Preferred stock dividends $ (20) $ (25)  
Banking Regulation, Capital Conservation Buffer, Capital Conserved, Minimum 0.025    
Stock Repurchase Program, Authorized Amount     $ 3,000
Stock Repurchased During Period, Shares | shares 14,000    
Stock Repurchased During Period, Value $ 401    
Cash dividend declared (in dollars per share) | $ / shares $ 0.265 $ 0.25  
Series C      
Stockholders' Equity And Comprehensive Income (Loss) [Line Items]      
Excess of Redemption Amount Over Carrying Amount $ 10    
Series E      
Stockholders' Equity And Comprehensive Income (Loss) [Line Items]      
Excess of Redemption Amount Over Carrying Amount 10    
Series F Preferred Stock      
Stockholders' Equity And Comprehensive Income (Loss) [Line Items]      
Excess of Redemption Amount Over Carrying Amount $ 11