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Accounting Policies and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Accounting Policies [Abstract] |  |  |  |
Marketable equity securities valuation gains (losses) | $ 388 | $ 443 | $ 250 | $ (1,683)
Equity warrant valuation gains (losses) | 590 | (271) | 212 | (501)
Other income (expenses), net | 22 | (4) | 3,285 | (5)
Upward adjustments relating to equity investments in private companies | 49 | 6 | 86 | 11
Foreign currency gains (losses) | 70 | (138) | 68 | (212)
Other, net | (2) | (54) | (35) | (301)
Other income (expense), net | $ 1,117 | $ (18) | $ 3,866 | $ (2,691)

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