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E1 Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Summary of Capital Stock | Capital stock at December 31, 2020, consisted of the following:
Capital stock |  |  |  |
|  |  |  | Capital stock
Parent Company |  | Number of shares |  | (SEK million)
Class A shares |  | 261,755,983 |  | 1,309
Class B shares |  | 3,072,395,752 |  | 15,363
Total |  | 3,334,151,735 |  | 16,672
Summary of Number of Shares |
Number of shares |  |  |  |
|  |  |  | Capital stock
|  | Number of shares |  | (SEK million)
Number of shares Jan 1, 2020 |  | 3,334,151,735 |  | 16,672
Number of shares Dec 31, 2020 |  | 3,334,151,735 |  | 16,672
Summary of Other Reserves |
Other reserves |  |  |  |  |  |  |  |  |  |  |  |
|  | 2020 |  | 2019
|  | Translation reserves |  | Cash flow hedge reserve |  | Revaluation of borrowings |  | Total other reserves |  | Translation reserves |  | Cash flow hedge reserve |  | Revaluation of borrowings |  | Total other reserves
Opening balance |  | 2,967 |  | (230) |  | (445) |  | 2,292 |  | 893 |  | — |  | 72 |  | 965
Other comprehensive income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Items that will not be reclassified to profit or loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revaluation of borrowings due to change in credit risk |  | — |  | — |  | 99 |  | 99 |  | — |  | — |  | (651) |  | (651)
Tax on items that will not be reclassified to profit or loss |  | — |  | — |  | (20) |  | (20) |  | — |  | — |  | 134 |  | 134
Items that have been or may be reclassified to profit or loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains/losses arising during the period |  | — |  | 136 |  | — |  | 136 |  | — |  | (290) |  | — |  | (290)
Reclassification to profit and loss |  | — |  | 281 |  | — |  | 281 |  | — |  | — |  | — |  | —
Translation reserves |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in translation reserves |  | (5,434) |  | — |  | — |  | (5,434) |  | 1,943 |  | — |  | — |  | 1,943
Reclassification to profit and loss |  | 124 |  | — |  | — |  | 124 |  | 54 |  | — |  | — |  | 54
Share of other comprehensive income of JV and assoicated companies |  | (81) |  | — |  | — |  | (81) |  | 77 |  | — |  | — |  | 77
Tax on items that have been or may be reclassified to profit or loss |  | — |  | (86) |  | — |  | (86) |  | — |  | 60 |  | — |  | 60
Other comprehensive income, net of tax |  | (5,391) |  | 331 |  | 79 |  | (4,981) |  | 2,074 |  | (230) |  | (517) |  | 1,327
Total comprehensive income |  | (5,391) |  | 331 |  | 79 |  | (4,981) |  | 2,074 |  | (230) |  | (517) |  | 1,327
Closing balance |  | (2,424) |  | 101 |  | (366) |  | (2,689) |  | 2,967 |  | (230) |  | (445) |  | 2,292

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