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Investment Information - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Equity securities, at fair value	$ 1,864	$ 1,675
Minimum
Schedule of Equity Method Investments [Line Items]
Time lag for reporting	1 month
Maximum
Schedule of Equity Method Investments [Line Items]
Time lag for reporting	3 months

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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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