Document and Entity Information	3 Months Ended
	Jun. 30, 2019 shares
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Entity Registrant Name	Motors Liquidation Co
Entity Central Index Key	0000040730
Current Fiscal Year End Date	--03-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	No
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Address, State or Province	DE
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding	0