Condensed Statements of Cash Flows (Liquidation Basis) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from (used in) operating activities
Cash receipts from interest and dividends	$ 41	$ 83
Cash paid for professional fees, governance costs and other administrative costs	(11,491)	(21,255)
Cash paid for Residual Wind-Down Claims	(1,168)	(1,145)
Cash paid for distributions	(580)	(1)
Net cash flows used in operating activities	(13,198)	(22,318)
Cash flows from (used in) investing activities
Cash used to purchase marketable securities	(57,035)	(99,721)
Cash from maturities and sales of marketable securities	103,396	99,765
Net cash flows from investing activities	46,361	44
Cash flows from (used in) financing activities
Cash from sale of New GM Securities for distribution	28	7
Cash transferred to the Avoidance Action Trust		(13,715)
Net cash flows from (used in) financing activities	28	(13,708)
Net increase (decrease) in cash and cash equivalents	33,191	(35,982)
Cash and cash equivalents, beginning of period	1,010	38,396
Cash and cash equivalents, end of period	$ 34,201	$ 2,414