Condensed Statements of Net Assets in Liquidation (Liquidation Basis) (Liquidation Basis of Accounting [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
ASSETS
Cash and Cash Equivalents	$ 28,331	$ 14,932
Marketable Securities	35,163	44,382
Accrued Dividends on Holdings of New GM Common Stock	3,465
Holdings of New GM Securities (Note 5)	997,640	1,114,078
Other Assets and Deposits	603	1,502
TOTAL ASSETS	1,065,202	1,174,894
LIABILITIES
Accounts Payable and Other Liabilities	5,635	3,105
Liquidating Distributions Payable (Note 4)	248,763	42,111
Reserves for Residual Wind Down Claims (Note 7)	27,419	28,698
Reserves for Expected Costs of Liquidation (Note 7)	33,347	36,486
TOTAL LIABILITIES	315,164	110,400
NET ASSETS IN LIQUIDATION (Note 3)	750,038	1,064,494
Reserves for Expected Costs of Liquidation [Member]
LIABILITIES
Reserves for Expected Costs of Liquidation (Note 7)	$ 33,347	$ 36,486