Acquisitions - Schedule of Pro Forma Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Revenue	$ 4,473.3	$ 4,555.1
Net loss attributable to Liberty Latin America shareholders	$ (684.4)	$ (86.7)

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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