Derivative Instruments (Net Cash Received (Paid) Related to Derivatives) (Schedule) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Derivative [Line Items]
Operating activities	$ 1.3	$ (179.0)
Total	(42.4)	(482.7)
Liberty Global Group [Member]
Derivative [Line Items]
Operating activities	(1.5)	(161.3)
Financing activities	(43.3)	(303.3)
Total	(44.8)	(464.6)
LiLAC Group [Member]
Derivative [Line Items]
Operating activities	2.8	(17.7)
Investing activities	(0.4)	(0.4)
Total	$ 2.4	$ (18.1)

Payments for (Proceeds from) Derivative Instrument, Operating Activities

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- Definition

Payments For Proceeds From Derivatives Continuing Operations

+ References

No definition available.

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- 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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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3505-108585

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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

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