Net Assets in Liquidation (Details)	3 Months Ended
	Dec. 31, 2012 Unit	Sep. 30, 2012 Unit
Schedule of Total GUC Trust Units
Outstanding or issuable at September 30, 2012	30,187,804
Issued during the quarter ended December 31, 2012	29,209
Less: Issuable at September 30, 2012		(29,209)
Add: Issuable at December 31, 2012	10,631
Outstanding or issuable at December 31, 2012	30,198,435