Derivative Instruments (Impact of Derivative Instruments on Borrowing Costs) (Details)	Jun. 30, 2025
Derivative [Line Items]
Total decrease to borrowing costs	(1.67%)
Telenet
Derivative [Line Items]
Total decrease to borrowing costs	(1.69%)
VM Ireland
Derivative [Line Items]
Total decrease to borrowing costs	(1.59%)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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