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Shareholders' Equity and Other Comprehensive Income - Preferred Stock (Narrative) (Details) - $ / shares
 12 Months Ended
Jul. 01, 2019
Jun. 21, 2018
Dec. 31, 2024
Preferred Stock      
Class of Stock [Line Items]      
Redemption period from regulatory capital treatment     90 days
Redemption price per share (in dollars per share)     $ 25
Up to and Excluding June 21, 2023 | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D      
Class of Stock [Line Items]      
Dividend rate (as a percent)   6.30%  
From and Including June 21, 2023 | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D      
Class of Stock [Line Items]      
Dividend rate (as a percent)   3.352%  
Beyond June 30, 2023 | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D      
Class of Stock [Line Items]      
Dividend rate (as a percent)   3.614%  
Until July 1, 2024 (Excluding July 1, 2024) | Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E      
Class of Stock [Line Items]      
Dividend rate (as a percent) 5.875%    
From July 1, 2024 (Including July 1, 2024) | Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E      
Class of Stock [Line Items]      
Dividend rate (as a percent) 4.127%