Analysis Of Income And Expense [Abstract]

Tatneft-3 - Filing #1617782

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Material income and expense [abstract]
Selling, general and administrative expense [abstract]
Selling, general and administrative expense	—	—	—	—	—	—	—	—	73,203,000,000 RUB	—	60,066,000,000 RUB	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	—	—	—	—	—	—	—	42,663,000,000 RUB	—	40,865,000,000 RUB	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	—	11,000,000 RUB	—	258,000,000 RUB	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	302,000,000 RUB	- RUB	198,571,000,000 RUB	- RUB	1,536,000,000 RUB	847,000,000 RUB	530,000,000 RUB	- RUB	198,873,000,000 RUB	198,412,000,000 RUB	103,604,000,000 RUB	- RUB	103,490,000,000 RUB	389,000,000 RUB	- RUB	597,000,000 RUB	- RUB	2,099,000,000 RUB	999,000,000 RUB	104,603,000,000 RUB
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	198,571,000,000 RUB	—	104,603,000,000 RUB	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	302,000,000 RUB	—	999,000,000 RUB	—	—	—	—	—	—	—	—	—