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Other Intangible Assets, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Other Intangible Assets, Net | Other intangible assets, net consisted of the following:
December 31, 2021 |  | Gross Amount |  |  | Accumulated Amortization |  |  | Net Amount |
Technologies & licenses |  |  | 978 |  |  |  | (675 | ) |  |  | 303 |
Purchased & internally developed software |  |  | 567 |  |  |  | (485 | ) |  |  | 82 |
Technologies in progress |  |  | 52 |  |  |  | — |  |  |  | 52 |
Other intangible assets |  |  | 72 |  |  |  | (71 | ) |  |  | 1 |
Total |  |  | 1,669 |  |  |  | (1,231 | ) |  |  | 438 |
December 31, 2020 |  | Gross Amount |  |  | Accumulated Amortization |  |  | Net Amount |
Technologies & licenses |  |  | 934 |  |  |  | (623 | ) |  |  | 311 |
Purchased & internally developed software |  |  | 537 |  |  |  | (461 | ) |  |  | 76 |
Technologies in progress |  |  | 56 |  |  |  | — |  |  |  | 56 |
Other intangible assets |  |  | 72 |  |  |  | (70 | ) |  |  | 2 |
Total |  |  | 1,599 |  |  |  | (1,154 | ) |  |  | 445 |
Estimated Future Amortization Expense Related to Intangible Assets | Estimated future amortization expense related to intangible assets as at December 31, 2021 is as follows:
Year |  |  |  |
2022 |  |  | 106 |
2023 |  |  | 92 |
2024 |  |  | 78 |
2025 |  |  | 55 |
2026 |  |  | 34 |
Thereafter |  |  | 73 |
Total |  |  | 438 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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