v3.22.0.1

Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill balances are presented below (in millions):
|  | Carrying Amount
Balance as of December 31, 2019 |  | $ | 157 |
Goodwill acquired |  | 74 |
Foreign currency translation adjustments |  | 10 |
Balance as of December 31, 2020 |  | $ | 241 |
Goodwill acquired |  | 538 |
Foreign currency translation adjustments |  | (2) |
Balance as of December 31, 2021 |  | $ | 777 |
Intangible assets consist of the following (in millions):
| December 31, 2021 |  | December 31, 2020
Developed technology | $ | 415 |  |  | $ | 226 |
Patents | 69 |  |  | 65 |
Other | 14 |  |  | 3 |
Intangible assets, gross | $ | 498 |  |  | $ | 294 |
Less: accumulated amortization | (211) |  |  | (141) |
Intangible assets, net | $ | 287 |  |  | $ | 153 |
The weighted-average useful life for the developed technology acquired during each of the years ended December 31, 2021 and 2020 was approximately five years. Amortization expense for intangible assets was approximately $76 million, $46 million and $35 million for the years ended December 31, 2021, 2020 and 2019, respectively. The following table presents the estimated future amortization expense related to intangible assets held at December 31, 2021 (in millions):
Years Ending December 31,
2022 |  | $ | 80 |
2023 |  | 74 |
2024 |  | 67 |
2025 |  | 45 |
2026 |  | 15 |
Thereafter |  | 6 |
Total future amortization expense |  | $ | 287 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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