Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Acquisitions (Details) € in Millions, $ in Millions, PLN in Billions	Jun. 19, 2017 EUR (€)	Jun. 19, 2017 USD ($)	Apr. 01, 2017 USD ($)	Oct. 18, 2016 PLN	Oct. 18, 2016 USD ($)	May 16, 2016 USD ($)	Feb. 11, 2016 EUR (€)	Feb. 11, 2016 USD ($)
Multimedia [Member]
Business Acquisition [Line Items]
Consideration transferred				PLN 3.0	$ 809.6
CWC [Member]
Business Acquisition [Line Items]
Equity interest issued						$ 4,490.1
Special cash dividend						193.8
Direct acquisition costs						$ 135.0
Customer Relationships [Member] \| CWC [Member]
Business Acquisition [Line Items]
Weighted average useful life of intangible assets						9 years
Telenet [Member] \| SFR BeLux [Member]
Business Acquisition [Line Items]
Consideration transferred	€ 391.0	$ 453.2
Borrowings to fund acquisition	€ 210.0	$ 239.7
Telenet [Member] \| BASE [Member]
Business Acquisition [Line Items]
Consideration transferred							€ 1,318.9	$ 1,494.3
CWC [Member] \| U.S. Carve-out Entities [Member]
Business Acquisition [Line Items]
Consideration transferred			$ 86.2