v3.20.4

Identified Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Changes in Identified Intangible Assets | The changes in identified intangible assets were as follows:
| Total
Balance as of January 1, 2019 |
Cost | 9,183 |
Accumulated amortization/impairment | (4,716) |
Book value | 4,467 |
Changes in book value: |
Acquisitions/additions | 683 |
Transfer to assets held for sale | (1) |
Amortization | (1,529) |
Total changes | (847) |
Balance as of December 31, 2019 |
Cost | 9,384 |
Accumulated amortization/impairment | (5,764) |
Book value | 3,620 |
Changes in book value: |
Acquisitions/additions | 63 |
Transfer to assets held for sale | — |
Amortization | (1,398) |
Impairment | (43) |
Translation differences | — |
Total changes | (1,378) |
Balance as of December 31, 2020 |
Cost | 9,249 |
Accumulated amortization/impairment | (7,007) |
Book value | 2,242 |
Schedule of Identified Intangible Assets | Identified intangible assets as of December 31, 2020 and 2019 respectively were composed of the following:
| December 31, 2020 |  | December 31, 2019
| Gross carrying amount |  | Accumulated amortization |  | Gross carrying amount |  | Accumulated amortization
IPR&D(1) | 147 |  |  | — |  |  | 272 |  |  | — |
Marketing-related | 81 |  |  | (81) |  |  | 81 |  |  | (67) |
Customer-related | 957 |  |  | (381) |  |  | 968 |  |  | (340) |
Technology-based | 8,064 |  |  | (6,545) |  |  | 8,063 |  |  | (5,357) |
Identified intangible assets | 9,249 |  |  | (7,007) |  |  | 9,384 |  |  | (5,764) |
(1) IPR&D is not subject to amortization until completion or abandonment of the associated research and development effort.
Schedule of Estimated Amortization Expense | The estimated amortization expense for these identified intangible assets for each of the five succeeding years is:
2021 | 675 |
2022 | 572 |
2023 | 340 |
2024 | 157 |
2025 | 106 |
Thereafter | 392 |

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