v3.3.1.900

Debt and Capital Lease Obligations (VTR Credit Facility) (Details) | 12 Months Ended
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Dec. 31, 2014
VTR Dollar Credit Facility [Member] |
Debt Instrument [Line Items] |
Fee on unused portion of credit facility | 1.10%
VTR Dollar Credit Facility [Member] | LIBOR [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 2.75%
VTR CLP Credit Facility [Member] |
Debt Instrument [Line Items] |
Fee on unused portion of credit facility | 1.34%
VTR CLP Credit Facility [Member] | Interbank Offered Rate (CLP) [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 3.35%

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentAxis=lbtya_VTRDollarCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=lbtya_VTRCLPCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_VariableRateAxis=lbtya_InterbankOfferedRateCLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |