Condensed Consolidated Statements of Comprehensive Earnings (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (241.2)	$ 8.7	$ (320.5)	$ 30.6
Other comprehensive earnings (loss), net of taxes:
Foreign currency translation adjustments	416.9	(500.7)	475.0	(479.3)
Reclassification adjustments included in net earnings (loss) (note 3)	0.1	0.1	64.2	0.2
Other	0	0.2	0	0.2
Other comprehensive earnings (loss)	417.0	(500.4)	539.2	(478.9)
Comprehensive earnings (loss)	175.8	(491.7)	218.7	(448.3)
Comprehensive earnings attributable to noncontrolling interests	(8.9)	(8.0)	(8.4)	(37.5)
Comprehensive earnings (loss) attributable to Liberty Global shareholders	$ 166.9	$ (499.7)	$ 210.3	$ (485.8)