v3.10.0.1

Derivative Instruments (Impact of Derivative Instruments on Borrowing Costs) (Details)	Jun. 30, 2018
Derivative [Line Items]
Impact of derivative instruments on borrowing costs	(0.27%)
Virgin Media
Derivative [Line Items]
Impact of derivative instruments on borrowing costs	(0.32%)
UPC Holding
Derivative [Line Items]
Impact of derivative instruments on borrowing costs	(0.02%)
Telenet
Derivative [Line Items]
Impact of derivative instruments on borrowing costs	(0.44%)

X

- Definition

Impact of Derivative Instruments on Borrowing Costs, Percent Increase (Decrease)

+ References

No definition available.

+ Details

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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.

+ Details

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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: