Document and Entity Information (USD $)	12 Months Ended
	Mar. 31, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	Motors Liquidation Co
Entity Central Index Key	0000040730
Document Type	10-K
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	Yes
Entity Current Reporting Status	No
Entity Filer Category	Non-accelerated Filer
Entity Public Float	$ 0
Entity Common Stock, Shares Outstanding	0