Revenue (Tables)

6 Months Ended

Mar. 31, 2020

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenue

Ashland disaggregates its revenue by segment and geographical region as Ashland believes these categories best depict how management reviews the financial performance of its operations. See the following tables for details (intersegment sales eliminations have been excluded). See Note Q for additional information.:

Sales by geography
	Three months ended				Six months ended
	March 31				March 31
(In millions)	2020		2019		2020		2019
Life Sciences
North America	$	59	$	67	$	108	$	126
Europe		63		61		112		110
Asia Pacific		43		48		85		95
Latin America & other		19		20		35		35
	$	184	$	196	$	340	$	366
	Three months ended				Six months ended
	March 31				March 31
(In millions)	2020		2019		2020		2019
Personal Care & Household
North America	$	50	$	48	$	91	$	91
Europe		69		86		124		149
Asia Pacific		22		27		46		55
Latin America & other		18		22		35		42
	$	159	$	183	$	296	$	337
	Three months ended				Six months ended
	March 31				March 31
(In millions)	2020		2019		2020		2019
Specialty Additives
North America	$	53	$	57	$	98	$	105
Europe		59		62		109		112
Asia Pacific		33		39		68		78
Latin America & other		10		11		19		21
	$	155	$	169	$	294	$	316
	Three months ended				Six months ended
	March 31				March 31
(In millions)	2020		2019		2020		2019
Performance Adhesives
North America	$	73	$	75	$	137	$	144
Europe		9		11		16		19
Asia Pacific		1		1		3		3
Latin America & other		2		2		3		5
	$	85	$	89	$	159	$	171
	Three months ended				Six months ended
	March 31				March 31
(In millions)	2020		2019		2020		2019
Intermediates and Solvents
North America	$	23	$	29	$	37	$	50
Europe		6		6		11		11
Asia Pacific		6		7		13		13
Latin America & other		2		2		3		3
	$	37	$	44	$	64	$	77