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Debt and Other Financing Activities (Tables)

6 Months Ended

Mar. 31, 2025

Debt Disclosure [Abstract]

Summary of Long-term Debt

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

(In millions)		March 31, 2025				September 30, 2024
3.375% Senior Notes, due 2031		$	450			$	450
2.00% Senior Notes, due 2028 (Euro 500 million principal)			541				558
6.875% Notes, due 2043			282				282
6.50% Junior Subordinated Notes, due 2029			70				67
Other(a)			43				(8	)
Total debt			1,386				1,349
Short-term debt			50				—
Long-term debt (less debt issuance costs)		$	1,336			$	1,349

(a)Other includes $11 million and $12 million of debt issuance costs as of March 31, 2025 and September 30, 2024, respectively. The current portion of the long-term debt was zero for both March 31, 2025 and September 30, 2024.

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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