Net Assets in Liquidation - Allowed and Disputed General Unsecured Claims and Potential Term Loan Avoidance Action Claims (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Extinguishment of Debt [Line Items]
Beginning balance	$ 35,186,896
New Allowed General Unsecured Claims	10,575
Disputed General Unsecured Claims resolved or disallowed	(212,773)
Ending balance	34,984,698
Allowed General Unsecured Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	30,282,730
New Allowed General Unsecured Claims	10,575
Disputed General Unsecured Claims resolved or disallowed
Ending balance	30,293,305
Disputed General Unsecured Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	3,404,166
New Allowed General Unsecured Claims
Disputed General Unsecured Claims resolved or disallowed	(212,773)
Ending balance	3,191,393
Term Loan Avoidance Action Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	1,500,000
New Allowed General Unsecured Claims
Disputed General Unsecured Claims resolved or disallowed
Ending balance	1,500,000
Maximum Amount of Unresolved Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	4,904,166
New Allowed General Unsecured Claims
Disputed General Unsecured Claims resolved or disallowed	(212,773)
Ending balance	$ 4,691,393