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v3.25.1

Financial Instruments - Equity Warrants and Non-Marketable Equity Investments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Sep. 30, 2023
Derivative [Line Items] |  |  |  |
Payments to acquire convertible notes |  | $ 1,300 | $ 2,750 | $ 1,250
Amount of additional investment |  | 2,700 |  |
Reclassification adjustment for gains (losses) on available-for-sale debt securities | $ 3,263 |  | $ (1) |
Fair value of convertible notes and amounts recorded for nonvoting preferred stock investments | 13,800 |  |  |
Equity investments without readily determinable fair values | 6,100 | 989 |  |
Equity method investments | 1,200 | 1,200 |  |
Fair Value, Inputs, Level 3 |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value of convertible notes |  | 13,800 |  |
Warrant | Level 2 assets |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value of warrant assets | $ 1,900 | $ 2,700 |  |

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