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Investments and Variable Interest Entities - Schedule of Investments (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Investments [Abstract]
Equity method	$ 7,150	$ 7,252
Marketable equity securities	15	11
Nonmarketable equity securities	1,202	1,221
Other investments	184	184
Total investments	8,551	8,668
Less: Current investments	27	21
Noncurrent investments	$ 8,524	$ 8,647

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