Note 4 - Reorganization Items, Net (Details) - Summary of Reorganization Items, Net (USD $) In Millions, unless otherwise specified	1 Months Ended		21 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Aug. 31, 2013	Sep. 30, 2013 Successor [Member]	Sep. 30, 2013 Successor [Member]	Aug. 31, 2013 Predecessor [Member]	Sep. 30, 2012 Predecessor [Member]	Aug. 31, 2013 Predecessor [Member]	Sep. 30, 2012 Predecessor [Member]
Note 4 - Reorganization Items, Net (Details) - Summary of Reorganization Items, Net [Line Items]
Professional fees		$ 5	$ 5	$ 15	$ 37	$ 114	$ 125
DIP credit agreement financing costs							45
Provision for expected allowed claims	27			33	19	133	138
Net gain on reorganization adjustments				(1,957)		(1,957)
Net gain on fresh start adjustments				(302)		(302)
Other items, net				(6)		(14)	(4)
Reorganization items, net		5	5	(2,217)	56	(2,026)	304
Cash payments for reorganization items		$ 9	$ 9	$ 109	$ 48	$ 210	$ 131