EBITDA Minimum Percentage

No definition available.

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- Definition

Minimum Term After Change in Control Lenders May Cancel Commitments

+ References

No definition available.

+ Details

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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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Data Type:	num:percentItemType
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Period Type:	duration

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=lbtya_ZiggoUSDFacilityMember
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=lbtya_LGEHoldCoTermLoanMember
Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=lbtya_ZiggoAcquisitionFacilityMember
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- Details

Name:	us-gaap_DebtInstrumentAxis=lbtya_VMCreditFacilityMember
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Debt and Capital Lease Obligations (Ziggo Credit Facility) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 USD ($)	Jan. 27, 2014 EUR (€)	Jan. 27, 2014 USD ($)
Ziggo Credit Facility [Member]
Debt Instrument [Line Items]
Unused borrowing capacity		$ 786.5
Outstanding principal amount		4,710.8
Ziggo Euro Facility [Member]
Debt Instrument [Line Items]
Principal amount of debt			€ 1,566,000,000	$ 1,895.0
Facility amount \| €	€ 2,000,000,000
Unused borrowing capacity		0.0
Outstanding principal amount		2,395.5
Ziggo Euro Facility [Member] \| EURIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	3.00%
Ziggo Dollar Facility [Member]
Debt Instrument [Line Items]
Principal amount of debt				2,350.0
Facility amount \| €	€ 2,350,000,000
Unused borrowing capacity		0.0
Outstanding principal amount		2,315.3
Ziggo Dollar Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Ziggo Revolving Facilities [Member]
Debt Instrument [Line Items]
Principal amount of debt			650,000,000	786.5
Facility amount \| €	€ 650,000,000
Unused borrowing capacity		786.5
Outstanding principal amount		0.0
Ziggo Revolving Facility One [Member]
Debt Instrument [Line Items]
Facility amount	€ 600,000,000	726.0
Fee on unused portion of credit facility	1.10%
Ziggo Revolving Facility One [Member] \| EURIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Ziggo Revolving Facility Two [Member]
Debt Instrument [Line Items]
Facility amount	€ 50,000,000	60.5
Fee on unused portion of credit facility	0.80%
Ziggo Revolving Facility Two [Member] \| EURIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
LGE HoldCo Term Loan [Member]
Debt Instrument [Line Items]
Principal amount of debt			434,000,000	525.2
Ziggo Acquisition Facility [Member]
Debt Instrument [Line Items]
Principal amount of debt			€ 650,000,000	$ 786.5
Ziggo Credit Facility [Member]
Debt Instrument [Line Items]
Unused borrowing capacity		1,028.4
Outstanding principal amount		$ 4,804.0
EBITDA Minimum Percentage	80.00%	80.00%
Minimum term after change in control lenders may cancel commitments	30 days