Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue	$ 3,867.0	$ 3,705.7	$ 3,590.0
Operating costs and expenses (exclusive of depreciation and amortization, shown separately below):
Programming and other direct costs of services	889.2	889.8	876.2
Other operating	690.6	660.5	664.7
Selling, general and administrative (SG&A)	803.3	768.2	710.7
Business interruption loss recovery	0.0	(59.5)	0.0
Depreciation and amortization	871.0	829.8	793.7
Impairment, restructuring and other operating items, net	259.1	640.5	707.6
Operating costs and expenses (exclusive of depreciation and amortization)	3,513.2	3,729.3	3,752.9
Operating income (loss)	353.8	(23.6)	(162.9)
Non-operating income (expense):
Interest expense	(499.2)	(443.7)	(381.8)
Realized and unrealized gains (losses) on derivative instruments, net	(17.2)	94.8	(170.1)
Foreign currency transaction gains (losses), net	(112.5)	(180.0)	94.4
Losses on debt modification and extinguishment, net	(19.8)	(32.1)	(51.8)
Other income (expense), net	14.3	(0.1)	21.0
Non-operating income (expense)	(634.4)	(561.1)	(488.3)
Loss before income taxes	(280.6)	(584.7)	(651.2)
Income tax benefit (expense)	98.2	(51.1)	(147.5)
Net loss	(182.4)	(635.8)	(798.7)
Net loss attributable to noncontrolling interests	102.3	290.6	20.6
Net loss attributable to Liberty Latin America shareholders	$ (80.1)	$ (345.2)	$ (778.1)
Basic and diluted net loss per share attributable to Liberty Latin America shareholders (in dollars per share)	$ (0.44)	$ (1.99)	$ (4.53)
Business interruption
Business interruption loss recovery		$ (59.5)	$ 0.0