Net Assets in Liquidation - Allowed and Disputed General Unsecured Claims and Potential Term Loan Avoidance Action Claims (Detail)	3 Months Ended
	Jun. 30, 2015 USD ($)
Extinguishment of Debt [Line Items]
Beginning balance	$ 33,423,630,000
New Allowed General Unsecured Claims, net	0
Disputed General Unsecured Claims resolved or disallowed	0
Ending balance	33,423,630,000
Allowed General Unsecured Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	31,853,630,000
New Allowed General Unsecured Claims, net	0
Disputed General Unsecured Claims resolved or disallowed	0
Ending balance	31,853,630,000
Disputed General Unsecured Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	70,000,000
New Allowed General Unsecured Claims, net	0
Disputed General Unsecured Claims resolved or disallowed	0
Ending balance	70,000,000
Term Loan Avoidance Action Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	1,500,000,000
New Allowed General Unsecured Claims, net	0
Disputed General Unsecured Claims resolved or disallowed	0
Ending balance	1,500,000,000
Maximum Amount of Unresolved Claims [Member]
Extinguishment of Debt [Line Items]
Beginning balance	1,570,000,000
New Allowed General Unsecured Claims, net	0
Disputed General Unsecured Claims resolved or disallowed	0
Ending balance	$ 1,570,000,000