Note 4 - Reorganization Items, Net (Details) (USD $) In Millions, unless otherwise specified	2 Months Ended
Aug. 31, 2013
Liabilities Subject to Compromise [Member]
Note 4 - Reorganization Items, Net (Details) [Line Items]
Reorganization Items	$ 84
Emergence and Success Fees Paid [Member]
Note 4 - Reorganization Items, Net (Details) [Line Items]
Reorganization Items	$ 7

Total amount of reorganization items.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 55

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56145-112766

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55730-112764

Name:	us-gaap_ReorganizationItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration