Net Assets in Liquidation - Schedule of GUC Trust Units (Parenthetical) (Detail)	12 Months Ended
	Mar. 31, 2014 Trust	Mar. 31, 2013 Trust	Mar. 31, 2012 Trust
Schedule Of GUC Trust Units [Line Items]
GUC Trust Units issued during the period	1,644,941	274,604	29,923,831
Nova Scotia Matter [Member]
Schedule Of GUC Trust Units [Line Items]
GUC Trust Units issued during the period	1,550,000