Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors’ Statement Of Operations (Parentheticals) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors’ Statement Of Operations (Parentheticals) [Line Items]
Interest expense - contractual interest	$ 47	$ 36	$ 72	$ 67
Debtor in Possession [Member] | Contractual Interest [Member]
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors’ Statement Of Operations (Parentheticals) [Line Items]
Interest expense - contractual interest	63	103	49	95
Debtor in Possession [Member]
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors’ Statement Of Operations (Parentheticals) [Line Items]
Interest expense - contractual interest	46	33	69	63
Contractual Interest [Member]
Note 22 - Condensed Combined Debtor-In-Possession Financial Information (Details) - Debtors’ Statement Of Operations (Parentheticals) [Line Items]
Interest expense - contractual interest	$ 64	$ 106	$ 52	$ 98