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Investments and Variable Interest Entities - Schedule of Investments (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Investments [Abstract] |  |
Equity method | $ 7,016 | $ 7,252
Marketable equity securities | 11 | 11
Nonmarketable equity securities | 1,129 | 1,221
Other investments | 190 | 184
Total investments | 8,346 | 8,668
Less: Current investments | 22 | 21
Noncurrent investments | $ 8,324 | $ 8,647

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