Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (372.7)	$ (521.7)
Other comprehensive earnings (loss), net of taxes:
Foreign currency translation adjustments	16.6	(691.1)
Reclassification adjustments included in net loss	(0.7)	0.1
Other	(2.9)	(1.5)
Other comprehensive earnings (loss)	13.0	(692.5)
Comprehensive loss	(359.7)	(1,214.2)
Comprehensive loss (earnings) attributable to noncontrolling interests	3.6	(15.9)
Comprehensive loss attributable to Liberty Global shareholders	$ (356.1)	$ (1,230.1)