Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 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 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 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 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 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
130,485,000,000
SEK
|
— |
80,096,000,000
SEK
|
— | — | — |
4,114,000,000
SEK
|
— |
31,654,000,000
SEK
|
— |
61,000,000
SEK
|
4,092,000,000
SEK
|
2,016,000,000
SEK
|
— |
126,371,000,000
SEK
|
8,452,000,000
SEK
|
— |
117,278,000,000
SEK
|
— | — |
8,452,000,000
SEK
|
— | — |
3,331,000,000
SEK
|
31,654,000,000
SEK
|
68,353,000,000
SEK
|
61,000,000
SEK
|
4,999,000,000
SEK
|
428,000,000
SEK
|
113,947,000,000
SEK
|
— | — | — | — | — |
49,000,000
SEK
|
49,000,000
SEK
|
—
SEK
|
49,650,000,000
SEK
|
61,000,000
SEK
|
94,978,000,000
SEK
|
8,452,000,000
SEK
|
—
SEK
|
94,561,000,000
SEK
|
1,244,000,000
SEK
|
—
SEK
|
—
SEK
|
240,000,000
SEK
|
466,000,000
SEK
|
—
SEK
|
31,655,000,000
SEK
|
—
SEK
|
49,841,000,000
SEK
|
1,660,000,000
SEK
|
7,000,000
SEK
|
233,000,000
SEK
|
61,000,000
SEK
|
4,560,000,000
SEK
|
90,418,000,000
SEK
|
1,653,000,000
SEK
|
—
SEK
|
8,452,000,000
SEK
|
—
SEK
|
90,234,000,000
SEK
|
4,327,000,000
SEK
|
1,244,000,000
SEK
|
31,655,000,000
SEK
|
—
SEK
|
—
SEK
|
233,000,000
SEK
|
49,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
14,066,000,000
SEK
|
— |
13,053,000,000
SEK
|
— |
1,013,000,000
SEK
|
13,053,000,000
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— |
—
SEK
|
17,003,000,000
SEK
|
— |
15,577,000,000
SEK
|
1,426,000,000
SEK
|
— | — | — | — | — | — | — |
15,577,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
959,000,000
SEK
|
— |
710,000,000
SEK
|
— |
249,000,000
SEK
|
1,391,000,000
SEK
|
—
SEK
|
— |
907,000,000
SEK
|
— |
—
SEK
|
— | — | — |
1,588,000,000
SEK
|
— | — |
—
SEK
|
— |
—
SEK
|
8,694,000,000
SEK
|
— |
3,562,000,000
SEK
|
121,000,000
SEK
|
— | — | — | — | — | — | — |
8,573,000,000
SEK
|
—
SEK
|
—
SEK
|
3,339,000,000
SEK
|
1,672,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
13,107,000,000
SEK
|
— |
12,343,000,000
SEK
|
— |
764,000,000
SEK
|
11,662,000,000
SEK
|
—
SEK
|
— |
907,000,000
SEK
|
— |
—
SEK
|
— | — | — |
1,588,000,000
SEK
|
— | — |
—
SEK
|
— |
—
SEK
|
25,697,000,000
SEK
|
— |
19,139,000,000
SEK
|
1,547,000,000
SEK
|
— | — | — | — | — | — | — |
24,150,000,000
SEK
|
—
SEK
|
—
SEK
|
3,339,000,000
SEK
|
1,672,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
SEK
|
846,000,000
SEK
|
— |
—
SEK
|
846,000,000
SEK
|
— | — | — | — | — | — | — |
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
—
SEK
|
— |
19,000,000
SEK
|
— |
19,000,000
SEK
|
19,000,000
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— |
—
SEK
|
—
SEK
|
— |
37,000,000
SEK
|
37,000,000
SEK
|
— | — | — | — | — | — | — |
37,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
109,000,000
SEK
|
— |
109,000,000
SEK
|
— |
—
SEK
|
109,000,000
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— |
—
SEK
|
24,000,000
SEK
|
— |
24,000,000
SEK
|
—
SEK
|
— | — | — | — | — | — | — |
24,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |