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REVENUES - Disaggregation of Revenue (Details) - Product Concentration Risk - Revenue Benchmark	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Online accommodation reservation services
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	89.00%	89.00%	89.00%
Other sources of online travel reservation services and advertising and other revenues | Maximum
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%

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- Definition

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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