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Condensed Consolidated Balance Sheet Components | 9 Months Ended
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Sep. 30, 2023
Balance Sheet Related Disclosures [Abstract] |
Condensed Consolidated Balance Sheet Components | Condensed consolidated balance sheet components Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consisted of the following (in millions):
| September 30, 2023 |  | December 31, 2022
Prepaid expenses and other assets | $ | 27 |  |  | $ | 15 |
Accrued interest receivable | 4 |  |  | 4 |
Total prepaid expenses and other current assets | $ | 31 |  |  | $ | 19 |
Other Current Liabilities Other current liabilities consisted of the following (in millions):
| September 30, 2023 |  | December 31, 2022
Accrued research and development | $ | 41 |  |  | $ | 45 |
Accrued personnel expenses | 22 |  |  | 25 |
Current portion of lease liabilities | 9 |  |  | 3 |
Income taxes payable | 3 |  |  | — |
Other | 5 |  |  | 3 |
Total other current liabilities | $ | 80 |  |  | $ | 76 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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