v3.20.4

Restructuring Charges (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring Charges | The following table presents the changes in the position of restructuring liabilities in 2020:
| Balance January 1, 2020 |  | Additions |  | Utilized |  | Released |  | Other changes(1) |  | Balance December 31, 2020
Restructuring liabilities | 32 |  |  | 77 |  |  | (36) |  |  | — |  |  | 1 |  |  | 74 |
(1) Other changes primarily related to translation differences and internal transfers. The total restructuring liability as of December 31, 2020 of $74 million is classified in the Consolidated Balance Sheets under current liabilities ($60 million) and non-current liabilities ($14 million). The utilization of the restructuring liabilities mainly reflects the execution of ongoing restructuring programs the Company initiated in earlier years. The following table presents the changes in the position of restructuring liabilities in 2019:
| Balance January 1, 2019 |  | Additions |  | Utilized |  | Released |  | Other changes(1) |  | Balance December 31, 2019
Restructuring liabilities | 65 |  |  | 29 |  |  | (57) |  |  | (4) |  |  | (1) |  |  | 32 |
(1) Other changes primarily related to translation differences and internal transfers. The total restructuring liability as of December 31, 2019 of $32 million is classified in the Consolidated Balance Sheets under current liabilities. The utilization of the restructuring liabilities mainly reflects the execution of ongoing restructuring programs the Company initiated in earlier years. The components of restructuring charges recorded in 2020, 2019 and 2018 are as follows:
| 2020 |  | 2019 |  | 2018
Personnel lay-off costs | 78 |  |  | 32 |  |  | 4 |
Other exit costs | — |  |  | — |  |  | 2 |
Release of provisions/accruals | — |  |  | (4) |  |  | — |
Net restructuring charges | 78 |  |  | 28 |  |  | 6 |
The restructuring charges recorded in operating income are included in the following line items in the statement of operations:
| 2020 |  | 2019 |  | 2018
Cost of revenue | 15 |  |  | 3 |  |  | — |
Research & development | 39 |  |  | 16 |  |  | — |
Selling, general and administrative | 24 |  |  | 9 |  |  | 7 |
Other (income) expense | — |  |  | — |  |  | (1) |
Net restructuring charges | 78 |  |  | 28 |  |  | 6 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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