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Description of Business, Accounting Policies, and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Abstract] |  |  |  |
Marketable equity securities valuation gains (losses) | $ (1,278) | $ 984 | $ (13,870) |
Equity warrant valuation gains (losses) | (192) | 26 | (2,132) |
Upward adjustments relating to equity investments in private companies | 49 | 40 | 76 |
Foreign currency gains (losses) | (408) | 65 | (340) |
Other, net | (421) | (177) | (540) |
Total other income (expense), net | (2,250) | 938 | (16,806) |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Marketable equity securities valuation gains (losses) | (1,278) | 984 | (13,870) |
Equity investment, discount due to lack of marketability |  |  |  | $ 800
Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Accounting Policies [Abstract] |  |  |  |
Marketable equity securities valuation gains (losses) | (1,600) | 797 | (12,700) |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Marketable equity securities valuation gains (losses) | $ (1,600) | 797 | $ (12,700) |
Equity investment, shares held (in shares) | 158 |  |  |
Equity investment, ownership interest | 14.00% |  |  |
Equity investment, voting interest | 13.00% |  |  |
Equity investment, fair value | $ 2,100 | $ 3,700 |  |

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