Segment Reporting - Narrative (Details)	9 Months Ended
Sep. 30, 2026
Segment Reporting, Measurement Disclosures [Abstract]
Percentage of minority interest revenues and adjusted OBIDA included in net earnings attributable to noncontrolling interest	100.00%
Percentage of minority interest revenues and expenses included in net earnings attributable to noncontrolling interest	100.00%

Percentage Of Minority Interest Revenues And Adjusted OIBDA From Consolidated Statements Of Operations Included In Net Earnings Attributable To Noncontrolling Interest

No definition available.

Name:	lila_PercentageOfMinorityInterestRevenuesAndAdjustedOIBDAFromConsolidatedStatementsOfOperationsIncludedInNetEarningsAttributableToNoncontrollingInterest
Namespace Prefix:	lila_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration