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Equity Investments - Schedule of Gains (Losses) on Non-Marketable Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Investments, All Other Investments [Abstract]
Observable price adjustments on non-marketable equity securities (includes NAV)	$ 10	$ 1
Total income (loss) from equity investments in non-marketable securities, net	$ 10	$ 1

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- Definition

Equity Securities Without Readily Determinable Fair Value, Including Fair Value Option, Price Adjustment, Annual Amount

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- Definition

Income (Loss) From Equity Securities without Readily Determinable Fair Value, Including Fair Value Option

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