Debt and Other Financing Activities (Tables)

6 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Summary of Current and Long-term Debt

The following table summarizes Ashland’s current and long-term debt as of the dates reported in the Condensed Consolidated Balance Sheets.

(In millions)	March 31, 2023			September 30, 2022
3.375% Senior Notes, due 2031	$	450		$	450
2.00% Senior Notes, due 2028 (Euro 500 million principal)		545			489
6.875% notes, due 2043		282			282
6.50% junior subordinated notes, due 2029		62			60
Other (a)		(11	)		(11	)
Total debt		1,328			1,270
Short-term debt (includes current portion of long-term debt)		—			—
Long-term debt (less current portion)	$	1,328		$	1,270

(a)Other includes $14 million of debt issuance costs as of March 31, 2023 and September 30, 2022, respectively.