CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Dividends paid, quarterly, per share (in dollars per share) | $ 0.59 | $ 0.52 | $ 0.45 | |
| Dividends declared, quarterly, per share (in dollars per share) | $ 0.59 | $ 0.52 | $ 0.45 | |
| Book value of preferred stock | $ 745 | $ 1,031 | ||
| Series A preferred stock | ||||
| Book value of preferred stock | $ 513 | $ 540 | $ 456 | $ 1,000 |