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Shares and Stockholders' Equity - Narrative (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Class of Stock [Line Items] |  |  |  |
Preferred stock, issued (in shares) |  | 40,000 | 40,000 |
Issuance of preferred stock, net of issuance costs |  | $ 0 | $ 0 | $ 986,000,000
9.250% Fixed Rate Reset Non-Cumulative Preferred Stock, Series C |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, issued (in shares) |  | 20,000 | 20,000 |
Percent of non cumulative preferred stock | 9.25% |  |  |
Liquidation preference, value | $ 25,000 |  |  |
Preferred stock, liquidation preference (in shares) | 20,000 |  |  |
Issuance of preferred stock, net of issuance costs | $ 493,000,000 |  |  |
Preferred stock, annual rate reset, period | 5 years |  |  |
Preferred stock, dividend rate | 5.318% |  |  |
Preferred stock, redemption restriction, period | 90 days |  |  |
Preferred stock, annual rate, prior to reset, period | 3 months |  |  |
9.000% Non-Cumulative Preferred Stock Series D |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, issued (in shares) |  | 20,000 | 20,000 |
Issuance of preferred stock, net of issuance costs | $ 493,000,000 |  |  |
Series C Preferred Stock Depositary Shares |  |  |  |
Class of Stock [Line Items] |  |  |  |
Liquidation preference, value | 25,500 |  |  |
Depositary shares, value | $ 1,020 |  |  |
Series C Preferred Stock Depositary Shares | 9.250% Fixed Rate Reset Non-Cumulative Preferred Stock, Series C |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, issued (in shares) | 500,000 |  |  |
Preferred stock, fraction of interest | 4.00% |  |  |
Liquidation preference, value | $ 25,000 |  |  |
Preferred stock, redemption restriction, period | 90 days |  |  |
Preferred stock, annual rate, prior to reset, period | 3 months |  |  |
Preferred stock, redemption percentage | 102.00% |  |  |
Depositary shares, value | $ 1,000 |  |  |
Series C Preferred Stock Depositary Shares | 9.000% Non-Cumulative Preferred Stock Series D |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, fraction of interest | 0.10% |  |  |
Series D Depositary Shares | 9.000% Non-Cumulative Preferred Stock Series D |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, issued (in shares) | 20,000,000 |  |  |
Percent of non cumulative preferred stock | 9.00% |  |  |
Liquidation preference, value | $ 25,000 |  |  |
Preferred stock, liquidation preference (in shares) | 20,000 |  |  |
Preferred stock, redemption restriction, period | 90 days |  |  |
Preferred stock, redemption percentage | 102.00% |  |  |
Depositary shares, value | $ 25,500 | $ 25,000 |  |
Preferred stock, redemption price (in dollars per share) | $ 25.50 | $ 25.00 |  |

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