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STOCKHOLDERS' EQUITY - Schedule of Preferred Stock and Depositary Shares (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 18, 2025 | Dec. 31, 2025 | Dec. 31, 2024
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 1,375 | $ 881
Preferred stock, par value (in dollars per share) |  | $ 0.01 | $ 0.01
Preferred stock, shares authorized (in shares) |  | 20,000,000 | 20,000,000
Preferred stock, dividend rate |  | 7.00% |
Preferred stock, dividend, basis spread on variable rate |  | 3.301% |
Series A |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 340 |
Preferred stock, par value (in dollars per share) |  | $ 0.01 |
Preferred stock, shares authorized (in shares) |  | 345,000 |
Preferred stock, shares issued (in shares) |  | 345,000 |
Preferred stock, shares outstanding (in shares) |  | 345,000 |
Preferred stock, liquidation preference |  | $ 345 |
Preferred stock, liquidation preference per share (in dollars per share) |  | $ 1,000 |
Depository shares, equivalent value per preferred share (in dollar per share) |  | $ 25 |
Preferred stock, dividend rate |  | 5.375% |
Series B |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 334 |
Preferred stock, par value (in dollars per share) |  | $ 0.01 |
Preferred stock, shares authorized (in shares) |  | 325,000 |
Preferred stock, shares issued (in shares) |  | 325,000 |
Preferred stock, shares outstanding (in shares) |  | 325,000 |
Preferred stock, liquidation preference |  | $ 325 |
Preferred stock, liquidation preference per share (in dollars per share) |  | $ 1,000 |
Preferred stock, dividend, basis spread on variable rate |  | 3.972% |
Series C |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 207 |
Preferred stock, par value (in dollars per share) |  | $ 0.01 |
Preferred stock, shares authorized (in shares) |  | 8,000,000 |
Preferred stock, shares issued (in shares) |  | 8,000,000 |
Preferred stock, shares outstanding (in shares) |  | 8,000,000 |
Preferred stock, liquidation preference |  | $ 200 |
Preferred stock, liquidation preference per share (in dollars per share) |  | $ 25 |
Preferred stock, dividend rate |  | 5.625% |
Series D |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 494 |
Preferred stock, par value (in dollars per share) |  | $ 0.01 |
Preferred stock, shares authorized (in shares) |  | 5,000 |
Preferred stock, shares issued (in shares) |  | 5,000 |
Preferred stock, shares outstanding (in shares) |  | 5,000 |
Preferred stock, liquidation preference |  | $ 500 |
Preferred stock, liquidation preference per share (in dollars per share) |  | $ 100,000 |
Depository shares, equivalent value per preferred share (in dollar per share) |  | $ 1,000 |
Preferred stock, dividend rate | 7.00% | 7.00% |
Total |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, book value |  | $ 1,375 |
Preferred stock, shares authorized (in shares) |  | 8,675,000 |
Preferred stock, shares issued (in shares) |  | 8,675,000 |
Preferred stock, shares outstanding (in shares) |  | 8,675,000 |
Preferred stock, liquidation preference |  | $ 1,370 |

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