Analysis Of Income And Expense [Abstract]

Tethys Oil - Filing #701945

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	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]
Revenue [abstract]
Revenue from sale of goods	—	—	—	—	—	—	—	—	—	—
Revenue from sale of oil and gas products	—	—	—	1,135,000,000 USD	—	—	—	1,107,000,000 USD	—	—
Material income and expense [abstract]
Finance income (cost)	—	—	—	6,000,000 USD	—	—	—	25,000,000 USD	—	—
Revenue and other operating income	—	—	—	1,127,000,000 USD	—	—	—	1,011,000,000 USD	—	—
Operating expense	—	—	—	438,000,000 USD	—	—	—	434,000,000 USD	—	—
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	—	—	—	412,000,000 USD	—	—	—	445,000,000 USD	—	—
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]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	—	—	15,000,000 USD	—	—	—	37,000,000 USD	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	15,000,000 USD	– USD	– USD	152,000,000 USD	167,000,000 USD	33,000,000 USD	– USD	70,000,000 USD	– USD	37,000,000 USD