RELATED-PARTY TRANSACTIONS (Details) ₽ in Millions, $ in Millions	12 Months Ended
Dec. 31, 2019 RUB (₽)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 RUB (₽)	Dec. 31, 2017 RUB (₽)	Dec. 31, 2019 USD ($)
Yandex.Money
RELATED-PARTY TRANSACTIONS
Revenue from subleasing and other services	₽ 37	$ 0.5	₽ 51	₽ 86
Fees for online payment commissions	783	9.9	432	₽ 439
Accounts receivables	31		37		$ 0.4
Prepaid expenses and other current assets	76		307		1.0
Accounts payables	13				0.2
Yandex.Market
RELATED-PARTY TRANSACTIONS
Online advertising revenue	805	10.2	469
Revenue from subleasing and other services	1,738	22.0	1,001
Cost of revenues	29	0.4
Accounts receivables	302		407		3.8
Prepaid expenses and other current assets	16				0.2
Accounts payables	11		70		$ 0.1
Senior employees
RELATED-PARTY TRANSACTIONS
Loans granted to related parties	₽ 43	$ 0.5	₽ 207
Interest rate, maximum	12.00%				12.00%

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

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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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Represents the amount of loans granted to related parties.

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Represents the percentage of interest rate on loans that have been granted to related parties but not entirely funded as of the balance sheet date.

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No definition available.

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Represents the amount online payment commission expense from transactions with related party.

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Represents the amount of revenue from advertising services from transaction with related party.

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Represents the amount of revenue from subleasing and other services from transactions with related party.

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