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Stockholders' Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Class of Stock [Line Items]
Equity Securities Registered, Value	$ 750
At-the-market Equity Offering Program, Common Stock Available for Issuance	$ 300
Common Stock
Class of Stock [Line Items]
Shares Issued During Period, New Issues	0	546,174

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