Financial Instruments - Schedule of Adjusted to Equity and Other Investments with Readily Determinable Fair Values (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Equity Securities Adjustments [Roll Forward]
Balance, beginning of the period	$ 2,986
Balance, end of the period	1,975
Equity Securities With Readily Determinable Fair Value
Equity Securities Adjustments [Roll Forward]
Balance, beginning of the period	2,986	$ 3,183
Sale of equity and other investments	(2)	0
Net unrealized losses	(1,009)	(930)
Balance, end of the period	$ 1,975	$ 2,253

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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+ Details