Stockholders' Deficit (Narrative) (Details) - USD ($) shares in Millions, $ in Millions |
7 Months Ended | |
|---|---|---|
Jul. 23, 2026 |
Sep. 30, 2026 |
|
| Stockholders' Equity Note [Abstract] | ||
| Additional share repurchase amount authorized | $ 884.2 | |
| Remaining common stock available for repurchase | 615.8 | $ 1,360.0 |
| Common stock authorized to repurchase | $ 1,500.0 | |
| Stock Repurchased since Inception | 266.1 | |
| Payments for Repurchase of Common Stock since Inception | $ 16,380.0 |