Derivative Instruments (Impact of Derivative Instruments on Borrowing Costs) (Details) |
Sep. 30, 2026 |
|---|---|
| Derivative [Line Items] | |
| Total decrease to borrowing costs | (1.07%) |
| Telenet | |
| Derivative [Line Items] | |
| Total decrease to borrowing costs | (2.38%) |
| VM Ireland | |
| Derivative [Line Items] | |
| Total decrease to borrowing costs | (2.26%) |
| VodafoneZiggo | |
| Derivative [Line Items] | |
| Total decrease to borrowing costs | (0.99%) |
| Wyre | |
| Derivative [Line Items] | |
| Total decrease to borrowing costs | 0.34% |
| Other | |
| Derivative [Line Items] | |
| Total decrease to borrowing costs | 0.42% |