Discontinued Operations (Difference Between The Value Of The Net Assets Of The Disposed Business) (Detail) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011 USD ($)	Dec. 31, 2011 RUB	Dec. 31, 2009 USD ($)	Dec. 31, 2010 Eurocash [Member] USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash Received			$ 0	$ 124,160
Assets of discontinued operations				173,168
Liabilities of discontinued operations				(119,921)
OCI related to discontinued operations				(19,549)
Goodwill of discontinued operations			87,117	52,306
Total net book value of discontinued operations				86,004
Expenses related directly to disposal of discontinued operations				2,991
Gain on disposal	$ 7,400	221,600		$ 35,165

Other comprehensive income related to discontinued operations.

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Total net book value of discontinued operations.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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For the disposal group, including a component of the entity (discontinued operation), carrying amount of goodwill (adjusted for any amortization recognized prior to adoption of FAS 142 and impairment charges).

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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The obligations arising from the sale, disposal, or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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