Short-Term Deposits and Marketable Securities - Debt Securities in an Unrealized Loss Position (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Less than 12 months | ||
| Unrealized Losses | $ 0 | $ (2) |
| More than 12 months | ||
| Unrealized Losses | (2) | (9) |
| Total | ||
| Unrealized Losses | (2) | (11) |
| Unrealized loss | ||
| Less than 12 months | ||
| Fair Value | 0 | 448 |
| More than 12 months | ||
| Fair Value | 229 | 443 |
| Total | ||
| Fair Value | 229 | 891 |
| Unrealized gain | ||
| Total | ||
| Fair Value | 756 | 1,561 |
| U.S. Treasury debt securities | ||
| Less than 12 months | ||
| Unrealized Losses | 0 | (2) |
| More than 12 months | ||
| Unrealized Losses | (2) | (9) |
| Total | ||
| Unrealized Losses | (2) | (11) |
| U.S. Treasury debt securities | Unrealized loss | ||
| Less than 12 months | ||
| Fair Value | 0 | 448 |
| More than 12 months | ||
| Fair Value | 229 | 443 |
| Total | ||
| Fair Value | $ 229 | $ 891 |
| X | ||||||||||
- Definition Less Than 12 Months No definition available.
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- Definition More Than 12 Months No definition available.
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- Definition Total, Less and More Than 12 Months No definition available.
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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