Analysis Of Income And Expense [Abstract]

Prosafe SE - Filing #2616459

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]
Interest income	—	—	—	—	1,000,000 USD	—	500,000 USD	—	—	—
Other revenue	—	—	—	—	19,300,000 USD	—	2,400,000 USD	—	—	—
Revenue	—	—	—	—	141,100,000 USD	—	56,700,000 USD	—	—	—
Material income and expense [abstract]
Finance income (cost)	—	—	—	—	980,800,000 USD	—	83,400,000 USD	—	—	—
Other finance income	—	—	—	—	1,051,800,000 USD	—	0 USD	—	—	—
Other finance cost	—	—	—	—	34,100,000 USD	—	22,100,000 USD	—	—	—
Interest expense	—	—	—	—	37,900,000 USD	—	61,800,000 USD	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	50,600,000 USD	—	30,800,000 USD	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation expense	—	—	—	—	33,000,000 USD	—	44,500,000 USD	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	41,700,000 USD	—	810,300,000 USD	—	—	—
Other expenses, by nature	—	—	—	—	65,600,000 USD	—	35,400,000 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	—	—	—	—	2,300,000 USD	—	800,000 USD	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	0 USD	927,800,000 USD	0 USD	2,300,000 USD	925,500,000 USD	0 USD	951,000,000 USD	800,000 USD	0 USD	950,200,000 USD
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	925,500,000 USD	—	951,000,000 USD	—	—	—