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v3.24.1.u1

Debt (General Information) (Details) | 3 Months Ended
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Mar. 31, 2024 subsidiary group
Debt Disclosure [Abstract] |
Number of subsidiaries with the most outstanding debt | subsidiary | 1
Number of borrowing groups | group | 3

X
- Definition Number Of Subsidiaries With The Most Outstanding Debt + References No definition available. + Details
Name: | lbtya_NumberOfSubsidiariesWithTheMostOutstandingDebt
Namespace Prefix: | lbtya_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Borrowing Groups + References No definition available. + Details
Name: | lbtya_NumberofBorrowingGroups
Namespace Prefix: | lbtya_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration