Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors' Statement of Retained Earnings (USD $) In Millions, unless otherwise specified	6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2013 Condensed Combined Debtor in Possession Retained Earnings [Member]	Jun. 30, 2012 Condensed Combined Debtor in Possession Retained Earnings [Member]	Jun. 30, 2013 Condensed Combined Debtor in Possession Retained Earnings [Member]	Jun. 30, 2012 Condensed Combined Debtor in Possession Retained Earnings [Member]
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors' Statement of Retained Earnings [Line Items]
Retained earnings at beginning of period	$ 2,600	$ 4,071	$ 2,852	$ 3,645	$ 3,653	$ 4,484	$ 3,378	$ 4,910
Net earnings (loss) and change in equity in earnings (loss) of non-filing entities attributable to Debtor Entities					(84)	(299)	222	(665)
Loss from issuance of treasury stock	(31)	(60)					(31)	(60)
Retained earnings at end of period	$ 2,628	$ 3,346	$ 2,852	$ 3,645	$ 3,569	$ 4,185	$ 3,569	$ 4,185