Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
2 081
SEK
|
8 383
SEK
|
— |
6 302
SEK
|
6 302
SEK
|
8 678
SEK
|
1 423
SEK
|
7 255
SEK
|
7 255
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
29,000,000
SEK
|
— | — | — |
5,000,000
SEK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — |
181,000,000
SEK
|
— | — | — |
55,000,000
SEK
|
— | — | — | — |
| Cash flow hedges [abstract] | ||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
95,000,000
SEK
|
— | — | — |
815,000,000
SEK
|
— | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — |
406,000,000
SEK
|
— | — | — |
2 727
SEK
|
— | — | — | — |
| Amounts removed from equity and included in carrying amount of non-financial asset (liability) whose acquisition or incurrence was hedged highly probable forecast transaction, before tax | — | — | — | — | — |
6,000,000
SEK
|
— | — | — | — |
| Hedges of net investment in foreign operations [abstract] | ||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — |
127,000,000
SEK
|
— | — | — |
42,000,000
SEK
|
— | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax | — |
669,000,000
SEK
|
— | — | — |
2 375
SEK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
182,000,000
SEK
|
— | — | — |
1 148
SEK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
129,000,000
SEK
|
— | — | — |
740,000,000
SEK
|
— | — | — | — |
| Other comprehensive income |
26,000,000
SEK
|
1 162
SEK
|
1 152
SEK
|
16,000,000
SEK
|
1 136
SEK
|
1 817
SEK
|
18,000,000
SEK
|
48,000,000
SEK
|
1 835
SEK
|
1 883
SEK
|
| Comprehensive income |
2 107
SEK
|
9 545
SEK
|
1 152
SEK
|
6 286
SEK
|
7 438
SEK
|
10 495
SEK
|
1 405
SEK
|
7 207
SEK
|
9 090
SEK
|
1 883
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — |
7 438
SEK
|
— | — | — |
9 090
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
2 107
SEK
|
— | — | — |
1 405
SEK
|
— | — | — | — |