v3.8.0.1
Document And Entity Information
6 Months Ended
Mar. 31, 2018
shares
Document And Entity Information [Abstract]  
Entity Registrant Name ASHLAND GLOBAL HOLDINGS INC.
Entity Central Index Key 0001674862
Current Fiscal Year End Date --09-30
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 62,383,233
Document Fiscal Year Focus 2018
Document Fiscal Period Focus Q2
Trading Symbol ASH
Document Type 10-Q
Amendment Flag false
Document Period End Date Mar. 31, 2018