Earnings or Loss per Ordinary Share (Net Earnings (Loss) Attributable to Liberty Global Shareholders) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Amounts attributable to Liberty Global shareholders:
Earnings (loss) from discontinued operation	$ (7.2)	$ (4.2)	$ 333.5	$ (2.4)
Net loss attributable to Liberty Global shareholders	(249.9)	(11.6)	(328.7)	(12.6)
Parent Company [Member]
Amounts attributable to Liberty Global shareholders:
Loss from continuing operations	(242.7)	(7.0)	(662.2)	(9.9)
Earnings (loss) from discontinued operation	(7.2)	(4.6)	333.5	(2.7)
Net loss attributable to Liberty Global shareholders	$ (249.9)	$ (11.6)	$ (328.7)	$ (12.6)

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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