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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Dividends declared, quarterly, per share (in dollars per share) | $ 0.67 | $ 0.59 |  |
Dividends paid, quarterly, per share (in dollars per share) | $ 0.67 | $ 0.59 |  |
Book value of preferred stock | $ 551 |  | $ 745 |
Series A preferred stock |  |  |  |
Book value of preferred stock | $ 428 | $ 421 | $ 513 | $ 540

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