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Other Information - Commitments Liberty Global and Infravia (Details) € in Millions, £ in Millions, home in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 29, 2022 home | Dec. 31, 2024 GBP (£) home | Dec. 31, 2024 EUR (€) | Dec. 31, 2024 EUR (€) home
Liberty Global | Nexfibre |  |  |  |
Commitments [Line Items] |  |  |  |
Proportion of voting rights held in subsidiary (as a percent) | 50.00% |  |  |
InfraVia Capital Partners | Nexfibre |  |  |  |
Commitments [Line Items] |  |  |  |
Proportion of voting rights held in subsidiary (as a percent) | 50.00% |  |  |
Liberty Global And InfraVia |  |  |  |
Commitments [Line Items] |  |  |  |
Deployment of FTTH in the UK, number of homes | 5 | 5 |  | 5
Deployment of FTTH in the UK, number of homes, expansion | 2 |  |  |
Investment in the deployment of FTTH in the UK |  | £ 4,500 | € 5,426 |
Investment in the deployment of FTTH in the UK, partner financing |  | 1,400 | € 1,688 |
Investment in the deployment of FTTH in the UK, facilities agreement with banks |  | £ 3,300 |  | € 3,979

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