Analysis Of Income And Expense [Abstract]

XXL - Filing #2614199

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	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]
Revenue [abstract]
Revenue	—	—	—	—	—	—	10 006 NOK	—	10 423 NOK	—	—	—	—	—
Material income and expense [abstract]
Finance income (cost)	—	—	—	—	—	—	146,000,000 NOK	—	172,000,000 NOK	—	—	—	—	—
Expenses by nature [abstract]
Cost of merchandise sold	—	—	—	—	—	—	5 923 NOK	—	6 519 NOK	—	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	1 886 NOK	—	1 863 NOK	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	—	—	—	—	—	810,000,000 NOK	—	753,000,000 NOK	—	—	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	136,000,000 NOK	—	0 NOK	—	—	—	—	—
Other expenses, by nature	—	—	—	—	—	—	860,000,000 NOK	—	924,000,000 NOK	—	—	—	—	—
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	0 NOK	0 NOK	0 NOK	0 NOK	61,000,000 NOK	0 NOK	61,000,000 NOK	0 NOK	22,000,000 NOK	22,000,000 NOK	0 NOK	0 NOK	0 NOK	0 NOK
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	—	—	—	—	—	—	133,000,000 NOK	—	148,000,000 NOK	—	—	—	—	—