Name:	lbtya_PercentageOfMinorityInterestRevenuesAndExpensesFromConsolidatedStatementsOfOperationsIncludedInNetEarningsAttributableToNoncontrollingInterest
Namespace Prefix:	lbtya_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Performance Measures Percentage Of Reportable Segment Revenue And Operating Cash Flow Presented

No definition available.

Name:	lbtya_PerformanceMeasuresPercentageOfReportableSegmentRevenueAndOperatingCashFlowPresented
Namespace Prefix:	lbtya_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Threshold Percentage Of Revenue Operating Cash Flows Or Total Assets Used To Identify Reportable Segments.

No definition available.

Name:	lbtya_ThresholdPercentageOfRevenueOperatingCashFlowsOrTotalAssetsUsedToIdentifyReportableSegments
Namespace Prefix:	lbtya_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.