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Cash, Cash Equivalents and Marketable Securities (Tables) | 3 Months Ended
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Mar. 31, 2026
Cash, Cash Equivalents and Marketable Securities [Abstract] |
Summary of Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Our Cash, Cash Equivalents and Marketable Securities | The following table summarizes the amortized cost, gross unrealized gains and losses and the fair value of our cash, cash equivalents and marketable securities, all of which are considered available for sale, by type of securities (in millions):
Types of securities as of March 31, 2026 |  | Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Fair Value
Money market funds |  | $ | 171 |  |  | $ | — |  |  | $ | — |  |  | $ | 171 |
U.S. treasury securities |  | 305 |  |  | — |  |  | — |  |  | 305 |
Corporate securities and commercial paper |  | 395 |  |  | — |  |  | (1) |  |  | 394 |
Certificate of deposit |  | 6 |  |  | — |  |  | — |  |  | 6 |
Total cash, cash equivalents and marketable securities |  | $ | 877 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 876 |
Types of securities as of December 31, 2025 |  | Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Fair Value
Money market funds |  | $ | 155 |  |  | $ | — |  |  | $ | — |  |  | $ | 155 |
U.S. treasury securities |  | 359 |  |  | — |  |  | — |  |  | 359 |
Corporate securities and commercial paper |  | 487 |  |  | — |  |  | — |  |  | 487 |
Certificate of deposit |  | 9 |  |  | — |  |  | — |  |  | 9 |
Total cash, cash equivalents and marketable securities |  | $ | 1,010 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,010 |
Summary of Fair Values of Our Cash, Cash Equivalents and Marketable Securities | The following table summarizes the fair values of our cash, cash equivalents and marketable securities by location in the Condensed Consolidated Balance Sheets and contractual maturity (in millions):
Location in Condensed Consolidated Balance Sheets |  | Contractual Maturity |  | March 31, 2026 |  | December 31, 2025
Cash and cash equivalents |  | — |  | $ | 201 |  |  | $ | 222 |
Marketable securities |  | Within one year |  | 621 |  |  | 759 |
Long-term marketable securities |  | Between one and three years |  | 54 |  |  | 29 |
Total cash, cash equivalents and marketable securities |  |  |  | $ | 876 |  |  | $ | 1,010 |
Summary of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the Condensed Consolidated Balance Sheets to the total shown in the Condensed Consolidated Statements of Cash Flows (in millions):
| As of March 31,
| 2026 |  | 2025
Cash and cash equivalents | $ | 201 |  |  | $ | 192 |
Restricted cash (included in Other noncurrent assets) | 3 |  |  | 3 |
Total cash, cash equivalents and restricted cash | $ | 204 |  |  | $ | 195 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 + Details
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