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Summary of Significant Accounting Policies - Investments in Variable Interest Entities and Other Investments (Details) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
Accounting Policies [Abstract]
Variable interest entities and other investments	$ 90	$ 42

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- Definition

Variable Interest Entities and Other Investments

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No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

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- References

No definition available.

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