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Income tax - Income tax expense (Details) - RUB (₽) ₽ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Total tax expense
Current income tax expense	₽ (818)	₽ (698)	₽ (871)
Deferred tax benefit/(expense)	(57)		253
Income tax expense for the year	₽ (875)	₽ (698)	₽ (618)

- Definition

The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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