Debt and Other Financing Activities (Tables)

9 Months Ended

Jun. 30, 2025

Debt Disclosure [Abstract]

Summary of Long-term Debt

The following table summarizes Ashland’s long-term debt as of:


(In millions)		June 30, 2025				September 30, 2024
3.375% Senior Notes, due 2031		$	450			$	450
2.00% Senior Notes, due 2028 (Euro 500 million principal)			586				558
6.875% Notes, due 2043			282				282
6.50% Junior Subordinated Notes, due 2029			71				67
Other(a)			(7	)			(8	)
Long-term debt (less debt issuance costs)(b)		$	1,382			$	1,349

(a)

Other includes $10 million and $12 million of debt issuance costs as of June 30, 2025 and September 30, 2024, respectively.

(b)

The current portion of the long-term debt was zero for both June 30, 2025 and September 30, 2024.