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C1 Intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of detailed information about intangible assets [line items] |
Summary of intangible assets |
Intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | 2023 |  |  |  |  | 2022 |
|  | Capitalized development expenses |  |  | Goodwill |  |  | Customer relationships, IPR 1) , and other intangible assets |  |  |  |  | Capitalized development expenses |  |  | Goodwill |  |  | Customer relationships, IPR 1) , and other intangible assets |
Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Opening balance |  |  | 21,096 |  |  |  | 90,914 |  |  |  | 82,854 |  |  |  |  |  | 19,158 |  |  |  | 44,963 |  |  |  | 55,936 |
Additions |  |  | 2,173 |  |  |  | – |  |  |  | 97 |  |  |  |  |  | 1,720 |  |  |  | – |  |  |  | 126 |
Balances regarding acquired/divested business 2) |  |  | – |  |  |  | 348 |  |  |  | 306 |  |  |  |  |  | – |  |  |  | 40,881 |  |  |  | 23,451 |
Disposals |  |  | –153 |  |  |  | – |  |  |  | – 563 |  |  |  |  |  | – |  |  |  | – |  |  |  | –452 |
Reclassifications |  |  | –16 |  |  |  | – |  |  |  | – |  |  |  |  |  | – |  |  |  | – |  |  |  | – |
Translation differences |  |  | –117 |  |  |  | –77 |  |  |  | –1,884 |  |  |  |  |  | 218 |  |  |  | 5,070 |  |  |  | 3,793 |
Closing balance |  |  | 22,983 |  |  |  | 91,185 |  |  |  | 80,810 |  |  |  |  |  | 21,096 |  |  |  | 90,914 |  |  |  | 82,854 |
Accumulated amortizations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Opening balance |  |  | –13,646 |  |  |  | – |  |  |  | –48,770 |  |  |  |  |  | –11,885 |  |  |  | – |  |  |  | –44,456 |
Amortizations |  |  | –1,137 |  |  |  | – |  |  |  | –3,321 |  |  |  |  |  | –1,586 |  |  |  | – |  |  |  | –1,991 |
Balances regarding divested business 2) |  |  | – |  |  |  | – |  |  |  | – |  |  |  |  |  | – |  |  |  | – |  |  |  | 22 |
Disposals |  |  | 153 |  |  |  | – |  |  |  | 563 |  |  |  |  |  | – |  |  |  | – |  |  |  | 452 |
Translation differences |  |  | 70 |  |  |  | – |  |  |  | 1,123 |  |  |  |  |  | –175 |  |  |  | – |  |  |  | –2,797 |
Closing balance |  |  | –14,560 |  |  |  | – |  |  |  | –50,405 |  |  |  |  |  | –13,646 |  |  |  | – |  |  |  | –48,770 |
Accumulated impairment losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Opening balance |  |  | –3,745 |  |  |  | –6,344 |  |  |  | –7,744 |  |  |  |  |  | –3,745 |  |  |  | –6,759 |  |  |  | –7,650 |
Balances regarding divested business 2) |  |  | – |  |  |  | – |  |  |  | – |  |  |  |  |  | – |  |  |  | 415 |  |  |  | 81 |
Impairment losses |  |  | – |  |  |  | –31,897 |  |  |  | –19 |  |  |  |  |  | – |  |  |  | – |  |  |  | –61 |
Translation differences |  |  | – |  |  |  | – |  |  |  | 25 |  |  |  |  |  | – |  |  |  | – |  |  |  | –114 |
Closing balance |  |  | –3,745 |  |  |  | –38,241 |  |  |  | –7,738 |  |  |  |  |  | –3,745 |  |  |  | –6,344 |  |  |  | –7,744 |
Net carrying value |  |  | 4,678 |  |  |  | 52,944 |  |  |  | 22,667 |  |  |  |  |  | 3,705 |  |  |  | 84,570 |  |  |  | 26,340 |
1) | Intellectual property rights.
2) | For more information on acquired/divested businesses, see note E2 “Business combinations.”
Summary of discounting of projected after tax cash flows |
Rates per CGU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Post-tax discount rates (%) |  |  |  |  |  | Terminal growth rates (%) |
CGU |  | 2023 |  |  | 2022 |  |  |  |  |  | 2023 |  |  | 2022 |
Networks |  |  | 10.0 |  |  |  | 9.0 |  |  |  |  |  |  |  | 2.0 |  |  |  | 2.0 |
Cloud Software and Services |  |  | 10.5 |  |  |  | 10.0 |  |  |  |  |  |  |  | 1.5 |  |  |  | 2.0 |
Vonage |  |  | 11.0 |  |  |  | 9.5 |  |  |  |  |  |  |  | 3.5 |  |  |  | 3.5 |
Cradlepoint |  |  | 11.0 |  |  |  | 9.5 |  |  |  |  |  |  |  | 3.5 |  |  |  | 2.0 |
iconectiv |  |  | 10.5 |  |  |  | 10.0 |  |  |  |  |  |  |  | 3.5 |  |  |  | 2.0 |
Emodo |  |  | 14.5 |  |  |  | 14.5 |  |  |  |  |  |  |  | 2.0 |  |  |  | 2.0 |
Red Bee Media |  |  | 12.5 |  |  |  | 11.0 |  |  |  |  |  |  |  | 2.0 |  |  |  | 2.0 |

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