Net Assets in Liquidation - Allowed and Disputed General Unsecured Claims and Potential Term Loan Avoidance Action Claims (Detail)	3 Months Ended
	Sep. 30, 2016 USD ($)
Loss Contingencies [Line Items]
Beginning balance	$ 33,423,595,000
New Allowed General Unsecured Claims	131,000
Term Loan Avoidance Action Claims resolved or disallowed	(221,000)
Ending balance	33,423,505,000
Allowed General Unsecured Claims [Member]
Loss Contingencies [Line Items]
Beginning balance	31,853,761,000
New Allowed General Unsecured Claims	131,000
Ending balance	31,853,892,000
Disputed General Unsecured Claims [Member]
Loss Contingencies [Line Items]
Beginning balance	70,000,000
Ending balance	70,000,000
Term Loan Avoidance Action Claims [Member]
Loss Contingencies [Line Items]
Beginning balance	1,499,834,000
Term Loan Avoidance Action Claims resolved or disallowed	(221,000)
Ending balance	1,499,613,000
Maximum Amount of Unresolved Claims [Member]
Loss Contingencies [Line Items]
Beginning balance	1,569,834,000
Term Loan Avoidance Action Claims resolved or disallowed	(221,000)
Ending balance	$ 1,569,613,000