v3.3.1.900

Segment Reporting (Narrative) (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2014 country segment	Dec. 31, 2014 country
Segment Reporting Information [Line Items]
Threshold percentage used to determine reportable segments using one of three criteria of revenue, operating cash flow or total assets (more than 10%)	10.00%	10.00%
Performance measures, percentage of reportable segment revenue and operating cash flow presented		100.00%
European Operations Division U.K / Ireland [Member]
Segment Reporting Information [Line Items]
Number of reportable segments	1
European Operations Division Switzerland / Austria [Member]
Segment Reporting Information [Line Items]
Number of reportable segments	1
European Operations Division Other Western Europe [Member]
Segment Reporting Information [Line Items]
Number of reportable segments	1
Total European Operations Division [Member]
Segment Reporting Information [Line Items]
Number of European countries in operating segment (in countries) | country	12	12
Telenet and Liberty Puerto Rico [Member]
Segment Reporting Information [Line Items]
Percentage of minority interest revenues and expenses included in net earnings attributable to noncontrolling interest		100.00%

X

- Definition

Number Of European Countries In Operating Segment

+ References

No definition available.

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X

- Definition

Percentage Of Minority Interest Revenues And Expenses From Consolidated Statements Of Operations Included In Net Earnings Attributable To Noncontrolling Interest

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

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

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No definition available.

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X

- Definition

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

+ References

No definition available.

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X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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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.

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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