Investments - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Contributions to investments	$ 51,938	$ 13,856	$ 16,448
Proceeds from investments	46,628	4,743	15,739
Time Deposits
Schedule of Equity Method Investments [Line Items]
Contributions to investments	51,295	13,258	15,794
Proceeds from investments	$ 46,025	$ 4,053	$ 15,140