Analysis Of Income And Expense [Abstract]
| 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 | — | — | — | — | — |
12 666,0
SEK
|
— | — | — |
8 968,2
SEK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Finance income (cost) | — | — | — | — | — |
797,000,000
SEK
|
— | — | — |
1,075,000,000
SEK
|
— | — | — | — |
| Miscellaneous other operating expense | — | — | — | — | — |
50,000,000
SEK
|
— | — | — |
15,000,000
SEK
|
— | — | — | — |
| Revenue and other operating income | — | — | — | — | — |
12 681,6
SEK
|
— | — | — |
8 973,8
SEK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||
| Cost of merchandise sold | — | — | — | — | — |
9 308,9
SEK
|
— | — | — |
6 637,4
SEK
|
— | — | — | — |
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | — | — | — | — |
981, 7
SEK
|
— | — | — |
6,572,000,000
SEK
|
— | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||
| Depreciation and amortisation expense | — | — | — | — | — |
3,715,000,000
SEK
|
— | — | — |
245, 0
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — | — |
1 304,0
SEK
|
— | — | — |
7,750,000,000
SEK
|
— | — | — | — |
| Expenses, by nature | — | — | — | — | — |
11 971,0
SEK
|
— | — | — |
8 316,0
SEK
|
— | — | — | — |
| 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] | ||||||||||||||
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
106,000,000
SEK
|
-
SEK
|
176,000,000
SEK
|
4,985,000,000
SEK
|
-
SEK
|
5,091,000,000
SEK
|
4,809,000,000
SEK
|
4,151,000,000
SEK
|
-
SEK
|
4,093,000,000
SEK
|
95,000,000
SEK
|
3 ,6
SEK
|
40 5,7
SEK
|
-
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
4,985,000,000
SEK
|
— | — | — |
4,057,000,000
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
106,000,000
SEK
|
— | — | — |
36,000,000
SEK
|
— | — | — | — |