Investments - Narrative (Detail) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2024 |
Dec. 31, 2023 |
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| Debt Securities, Available-for-Sale [Abstract] | ||
| Contractual maturities | 37 months | |
| Continuous unrealized loss position, 12 months or greater, fair value | $ 16 | |
| Continuous unrealized loss position, fair value | 1,419 | $ 3,731 |
| Non-marketable equity investment | $ 396 | $ 268 |
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- Definition Debt Securities, Available-for-sale, Maturity, Term, Maximum No definition available.
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- References 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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of long-term investments classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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