Cover page Entity listing |
Jul. 15, 2025 |
|---|---|
| Series G Preferred Stock, Depository Share [Member] | |
| Class of Stock [Line Items] | |
| Title of 12(b) Security | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series G, without par value per share |
| Trading Symbol | STT.PRG |
| Security Exchange Name | NYSE |
| Common Stock [Member] | |
| Class of Stock [Line Items] | |
| Title of 12(b) Security | Common stock, $1 par value per share |
| Trading Symbol | STT |
| Security Exchange Name | NYSE |