CONSOLIDATED BALANCE SHEETS (Parenthetical)	Dec. 31, 2019 ₽ / shares shares	Dec. 31, 2019 € / shares shares	Dec. 31, 2018 ₽ / shares shares	Dec. 31, 2018 € / shares shares
Priority share
Preferred share, par value (in euros per share) \| (per share)	₽ 1	€ 1.00		€ 1.00
Preferred share, share authorized	1	1	1	1
Preferred share, share issued	1	1	1	1
Preferred share, share outstanding	0	0	1	1
Treasury shares	1	1	0	0
Preference shares
Preferred share, par value (in euros per share) \| € / shares		€ 0.01		€ 0.01
Preferred share, share authorized	0	0	1,000,000,001	1,000,000,001
Preferred share, share issued	0	0	0	0
Preferred share, share outstanding	0	0	0	0
Class A
Ordinary shares, par value (in euros per share) \| € / shares		€ 0.01		€ 0.01
Ordinary shares, shares authorized	500,000,000	500,000,000	1,000,000,000	1,000,000,000
Ordinary shares, shares issued	293,527,655	293,527,655	292,437,655	292,437,655
Ordinary shares, shares outstanding	292,719,508	292,719,508	286,848,365	286,848,365
Treasury shares	808,147	808,147	5,589,290	5,589,290
Class B
Ordinary shares, par value (in euros per share) \| € / shares		€ 0.10		€ 0.10
Ordinary shares, shares authorized	37,138,658	37,138,658	46,997,887	46,997,887
Ordinary shares, shares issued	37,138,658	37,138,658	37,878,658	37,878,658
Ordinary shares, shares outstanding	37,138,658	37,138,658	37,878,658	37,878,658
Class C
Ordinary shares, par value (in euros per share) \| (per share)	₽ 0.09	€ 0.09	₽ 0.09
Ordinary shares, shares authorized	37,748,658	37,748,658	46,997,887	46,997,887
Ordinary shares, shares issued	610,000	610,000	0	0
Ordinary shares, shares outstanding	0	0

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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