Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Right-of-use assets |
2,014,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,366,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Goodwill |
2 182,9
SEK
|
— | — | — | — | — | — | — | — | — |
1 417,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
296,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
258,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
646,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
582,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
4 753,8
SEK
|
— | — | — | — | — | — | — | — | — |
3 437,0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Cash and cash equivalents |
7,543,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
4,805,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
6,161,000,000
SEK
|
| Current assets |
3 401,7
SEK
|
— | — | — | — | — | — | — | — | — |
2 907,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
8 155,5
SEK
|
— | — | — | — | — | — | — | — | — |
6 344,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
1,255,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,255,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2 868,2
SEK
|
— | — | — | — | — | — | — | — | — |
2 162,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other equity interest |
4,444,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
4,444,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves |
1,659,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,258,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3 604,0
SEK
|
— | — | — | — | — | — | — | — | — |
2 857,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
351,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
38,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
3 639,1
SEK
|
1,659,000,000
SEK
|
351,000,000
SEK
|
2 868,2
SEK
|
1,255,000,000
SEK
|
3 604,0
SEK
|
4,444,000,000
SEK
|
2 162,1
SEK
|
1,258,000,000
SEK
|
4,444,000,000
SEK
|
2 854,0
SEK
|
2 857,8
SEK
|
38,000,000
SEK
|
1,255,000,000
SEK
|
1 899,2
SEK
|
138,000,000
SEK
|
2 517,9
SEK
|
1,255,000,000
SEK
|
4,444,000,000
SEK
|
488,000,000
SEK
|
2 504,1
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
2,311,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,034,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 726,8
SEK
|
— | — | — | — | — | — | — | — | — |
1 545,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities, current |
698,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
572,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2 789,6
SEK
|
— | — | — | — | — | — | — | — | — |
1 944,3
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
8 155,5
SEK
|
— | — | — | — | — | — | — | — | — |
6 344,1
SEK
|
— | — | — | — | — | — | — | — | — | — |