Statement Of Comprehensive Income [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 |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||||||||
| Profit (loss) |
1 190
SEK
|
— |
8 620
SEK
|
968,000,000
EUR
|
8 620
SEK
|
10 228
SEK
|
1 122
EUR
|
1 519
SEK
|
10 228
SEK
|
— | — |
9 216
SEK
|
9 216
SEK
|
10 212
SEK
|
996,000,000
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 | — | — |
148,000,000
SEK
|
148,000,000
SEK
|
148,000,000
SEK
|
203,000,000
SEK
|
202,000,000
SEK
|
1,000,000
SEK
|
203,000,000
SEK
|
— | — |
479,000,000
SEK
|
479,000,000
SEK
|
482,000,000
SEK
|
3,000,000
SEK
|
| Other comprehensive income, before tax, gains (losses) on hedging instruments that hedge investments in equity instruments | — |
0
SEK
|
0
SEK
|
0
SEK
|
— | — |
3,000,000
SEK
|
— |
3,000,000
SEK
|
3,000,000
SEK
|
6,000,000
SEK
|
6,000,000
SEK
|
— |
6,000,000
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 |
888,000,000
SEK
|
4 592
SEK
|
4 592
SEK
|
5 480
SEK
|
— | — |
8 092
SEK
|
840,000,000
SEK
|
7 252
SEK
|
7 252
SEK
|
1 869
SEK
|
1 869
SEK
|
— |
2 095
SEK
|
226,000,000
SEK
|
| Cash flow hedges [abstract] | |||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
4 142
SEK
|
4 142
SEK
|
4 142
SEK
|
— | — |
9,000,000
SEK
|
— |
9,000,000
SEK
|
9,000,000
SEK
|
725,000,000
SEK
|
725,000,000
SEK
|
— |
725,000,000
SEK
|
— |
| Reclassification adjustments on cash flow hedges, before tax | — |
1 363
SEK
|
1 363
SEK
|
1 363
SEK
|
— | — |
473,000,000
SEK
|
— |
473,000,000
SEK
|
473,000,000
SEK
|
112,000,000
SEK
|
112,000,000
SEK
|
— |
112,000,000
SEK
|
— |
| Hedges of net investment in foreign operations [abstract] | |||||||||||||||
| Gains (losses) on hedges of net investments in foreign operations, before tax | — |
1 012
SEK
|
1 012
SEK
|
1 012
SEK
|
— | — |
1 504
SEK
|
— |
1 504
SEK
|
1 504
SEK
|
168,000,000
SEK
|
168,000,000
SEK
|
— |
168,000,000
SEK
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — |
15,000,000
SEK
|
15,000,000
SEK
|
15,000,000
SEK
|
20,000,000
SEK
|
20,000,000
SEK
|
— |
20,000,000
SEK
|
— | — |
14,000,000
SEK
|
14,000,000
SEK
|
14,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | |||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
0
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
280,000,000
SEK
|
279,000,000
SEK
|
–
SEK
|
279,000,000
SEK
|
1,000,000
SEK
|
2,000,000
SEK
|
52,000,000
SEK
|
54,000,000
SEK
|
52,000,000
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 | — |
536,000,000
SEK
|
539,000,000
SEK
|
539,000,000
SEK
|
3,000,000
SEK
|
4,000,000
SEK
|
415,000,000
SEK
|
— |
415,000,000
SEK
|
419,000,000
SEK
|
175,000,000
SEK
|
179,000,000
SEK
|
4,000,000
SEK
|
179,000,000
SEK
|
— |
| Other comprehensive income |
888,000,000
SEK
|
5 834
SEK
|
5 674
SEK
|
6 562
SEK
|
160,000,000
SEK
|
61,000,000
SEK
|
6 479
SEK
|
839,000,000
SEK
|
5 640
SEK
|
5 701
SEK
|
1 267
SEK
|
1 790
SEK
|
523,000,000
SEK
|
2 019
SEK
|
229,000,000
SEK
|
| Comprehensive income |
2 078
SEK
|
5 834
SEK
|
14 294
SEK
|
16 372
SEK
|
8 460
SEK
|
10 289
SEK
|
5 268
SEK
|
680,000,000
SEK
|
4 588
SEK
|
5 701
SEK
|
1 267
SEK
|
11 006
SEK
|
9 739
SEK
|
12 231
SEK
|
1 225
SEK
|
| Comprehensive income attributable to [abstract] | |||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
14 294
SEK
|
— | — |
4 588
SEK
|
— | — | — | — | — | — |
11 006
SEK
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
2 078
SEK
|
— | — |
680,000,000
SEK
|
— | — | — | — | — | — |
1 225
SEK
|
— |