Document and Entity Information	9 Months Ended
	Dec. 31, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	Motors Liquidation Co
Entity Central Index Key	0000040730
Document Type	10-Q
Document Period End Date	Dec. 31, 2012
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--03-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding	0