Net Assets in Liquidation - Schedule of GUC Trust Units (Detail)	3 Months Ended
	Dec. 31, 2014 Trust
Net Assets [Abstract]
Outstanding or issuable at beginning of period	31,853,702
Issued during the period	0
Less: Issuable at beginning of period	0
Add: Issuable at end of period	0
Outstanding or issuable at end of period	31,853,702