Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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SHARE-BASED COMPENSATION - Business Unit Equity Awards and SBC Expense (Details) ₽ in Millions, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019 RUB (₽) shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 RUB (₽) shares	Dec. 31, 2017 RUB (₽) shares	Dec. 31, 2016 shares	Dec. 31, 2015 shares
SHARE-BASED COMPENSATION
Share-based compensation expense recognized (in dollars or rubles)	₽ 9,855	$ 125.0	₽ 6,552	₽ 4,193
Income tax benefits related to share-based compensation expense recognized (in dollars or rubles)	₽ 101	$ 1.3	₽ 104	₽ 62
Business unit equity awards - Related to the options to acquire depository receipts
SHARE-BASED COMPENSATION
Number of awards granted (in shares)			4.4	4.4	4.4	4.4
Number of share based awards outstanding (in shares)	3.3	3.3
Maximum percentage of issued share capital authorized for issuance of share based awards	20.00%	20.00%
Share-based compensation expense recognized (in dollars or rubles)	₽ 421	$ 5.3	₽ 564	₽ 267
2018 plan
SHARE-BASED COMPENSATION
Share-based compensation expense recognized (in dollars or rubles)	₽ 1,204	$ 15.3	₽ 205