Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
Variable Interest Entity [Line Items]
Assets	$ 57,299	$ 53,122
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Assets	1,200	711
Liabilities	$ 1,000	$ 278

Amount of asset recognized for present right to economic benefit.

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- Definition

Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others.

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