Statement Of Comprehensive Income [Abstract]

PGS ASA - Filing #2617995

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
Statement of comprehensive income [abstract]
Profit (loss)	- USD	- USD	- USD	179,400,000 USD	179,400,000 USD	321,500,000 USD	- USD	321,500,000 USD	- USD	- USD
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	14,800,000 USD	—	—	—	7,600,000 USD	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	14,800,000 USD	—	—	—	7,600,000 USD	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Cash flow hedges [abstract]
Other comprehensive income, net of tax, cash flow hedges	—	—	—	4,600,000 USD	—	—	—	3,900,000 USD	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	—	—	—	- USD	—	—	—	- USD	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	4,600,000 USD	—	—	—	3,900,000 USD	—	—
Other comprehensive income	4,600,000 USD	- USD	- USD	19,400,000 USD	14,800,000 USD	7,600,000 USD	- USD	11,500,000 USD	- USD	3,900,000 USD
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	160,000,000 USD	—	—	—	333,000,000 USD	—	—