CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS; OTHER NON-CURRENT ASSETS (Details 2) $ in Thousands, RUB in Millions	Jun. 30, 2015 RUB	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 20, 2014
Telcrest Investments Limited
Other non-current assets
Amount of dividends payable blocked			$ 34,605	$ 34,605
Telcrest Investments Limited | Minimum
Other non-current assets
Ownership interest (as a percent)					50.00%
CTC and Domashny Networks | Advance Towards Construction of Digital Infrastructure | Digital Broadcasting in Cities Populations Less than 50000
Other non-current assets
Prepaid Expense Other, Noncurrent	RUB 444.0	$ 8,000