Net Assets in Liquidation (Details)	12 Months Ended
	Mar. 31, 2013 Unit	Mar. 31, 2012 Unit
Schedule of GUC Trust Units
Outstanding or issuable at beginning of year	30,036,945
Issued during the year	274,604	29,923,831
Less: Issuable at beginning of year	(113,114)
Add: Issuable at end of year	28,879	113,114
Outstanding or issuable at end of year	30,227,314	30,036,945