v3.20.4

Goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Goodwill | The changes in goodwill in 2020 and 2019 were as follows:
| 2020 |  | 2019
Balances as of January 1 |  |  |
Cost | 10,063 |  |  | 8,971 |
Accumulated impairment | (114) |  |  | (114) |
Book value | 9,949 |  |  | 8,857 |
Changes in book value: |  |  |
Acquisitions | 3 |  |  | 1,138 |
Transfer to assets held for sale | — |  |  | (41) |
Translation differences | 32 |  |  | (5) |
Total changes | 35 |  |  | 1,092 |
Balances as of December 31 |  |  |
Cost - Balance | 10,098 |  |  | 10,063 |
Accumulated impairment - Balance | (114) |  |  | (114) |
Book value - Balance | 9,984 |  |  | 9,949 |

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration