XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative Instruments (Interest Rate Swap Contracts and Options) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($)
Interest Rate Swaption 1 | Virgin Media |
Derivative [Line Items] |
Notional amount of derivative | $ 6,352.0
Weighted average remaining life | 1 year 6 months
Weighted average strike rate | 2.45%
Interest Rate Swaption 2 | Virgin Media |
Derivative [Line Items] |
Notional amount of derivative | $ 482.4
Weighted average remaining life | 1 year 3 months 18 days
Weighted average strike rate | 1.96%
Notional amount due from counterparty | Interest Rate Swap | Virgin Media |
Derivative [Line Items] |
Notional amount of derivative | $ 20,109.9
Weighted average remaining life | 3 years 4 months 24 days
Notional amount due from counterparty | Interest Rate Swap | UPC Holding |
Derivative [Line Items] |
Notional amount of derivative | $ 8,340.9
Weighted average remaining life | 4 years 2 months 12 days
Notional amount due from counterparty | Interest Rate Swap | Telenet |
Derivative [Line Items] |
Notional amount of derivative | $ 3,775.6
Weighted average remaining life | 5 years
Notional amount due to counterparty | Interest Rate Swap | Virgin Media |
Derivative [Line Items] |
Notional amount of derivative | $ 11,225.1
Weighted average remaining life | 4 years 10 months 24 days
Notional amount due to counterparty | Interest Rate Swap | UPC Holding |
Derivative [Line Items] |
Notional amount of derivative | $ 5,229.1
Weighted average remaining life | 6 years 7 months 6 days
Notional amount due to counterparty | Interest Rate Swap | Telenet |
Derivative [Line Items] |
Notional amount of derivative | $ 1,601.2
Weighted average remaining life | 4 years 6 months
Maximum | Interest Rate Swaption |
Derivative [Line Items] |
Weighted average remaining life | 3 years

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average fixed interest rate that will be received or paid upon exercise of a group of interest rate swaption contracts. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageSwaptionInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=lbtya_InterestRateSwaption1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lbtya_VirginMediaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=lbtya_InterestRateSwaption2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=lbtya_DueFromCounterpartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lbtya_UpcHoldingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lbtya_TelenetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=lbtya_DueToCounterpartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwaptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |