v3.10.0.1
Document And Entity Information
3 Months Ended
Dec. 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 Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 62,618,494
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q1
Trading Symbol ASH
Document Type 10-Q
Amendment Flag false
Document Period End Date Dec. 31, 2018