Net Assets in Liquidation - Additional Information (Detail) (USD $)	6 Months Ended
Sep. 30, 2014 Trust
Net Assets [Abstract]
Number of Trust Units issued per thousand dollars of allowed general unsecured claims	1
Amount required to issue one Trust Unit per contingent rights	$ 1,000

Number of trust units issued per thousand dollars of allowed general unsecured claims.

No definition available.

Name:	ck0000040730_NumberOfTrustUnitsIssuedPerThousandDollarsOfAllowedGeneralUnsecuredClaims
Namespace Prefix:	ck0000040730_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration