INCOME TAX - Valuation Allowance (Details) ₽ in Millions, $ in Millions	12 Months Ended
Dec. 31, 2023 RUB (₽)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 RUB (₽)	Dec. 31, 2021 RUB (₽)
Movements in the valuation allowance
Balance at the beginning of the period	₽ (14,778)	$ (164.8)	₽ (12,482)	₽ (7,763)
Charged to expenses	(11,498)	(128.2)	(2,104)	(5,145)
Foreign currency translation adjustment	(1,442)	(16.1)	768	(19)
Acquisition-related change			(1,568)
Other	(399)	(4.4)	1,938	445
Balance at the end of the period	₽ (28,117)	$ (313.5)	(14,778)	(12,482)
ASU 2020-06 \| Cumulative Effect, Period of Adoption, Adjustment
Movements in the valuation allowance
Balance at the beginning of the period			₽ (1,330)
Balance at the end of the period				₽ (1,330)

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

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Adjustments in a given period to allowances and reserves, the valuation and qualifying accounts arising from acquisition related changes.

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Adjustments in a given period to allowances and reserves, the valuation and qualifying accounts that arising from foreign currency translation adjustments.

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The amount of increase decrease in valuation reserve due to other items.

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