Basis of Presentation and Summary of Significant Accounting Policies Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2026	Jun. 30, 2026
Variable Interest Entity [Line Items]
Total assets	$ 59,544	$ 57,299
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Liabilities	1,100
Total assets	$ 1,300

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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