Note 9 - Income Taxes (Details) - Income Tax (Benefit) Provision Reconciliation (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	9 Months Ended	2 Months Ended	8 Months Ended
	Sep. 30, 2013 Successor [Member]	Sep. 30, 2014 Successor [Member]	Sep. 30, 2014 Successor [Member]	Aug. 31, 2013 Predecessor [Member]	Aug. 31, 2013 Predecessor [Member]
Note 9 - Income Taxes (Details) - Income Tax (Benefit) Provision Reconciliation [Line Items]
Earnings (loss) from continuing operations before income taxes	$ (30)	$ 41	$ (71)	$ 2,182	$ 2,356
Effective tax rate	(3.30%)	24.40%	(15.50%)	4.40%	6.60%
Provision for income taxes	1	10	11	97	155
Provision (benefit) for income taxes @ 35%	(11)	14	(25)	764	825
Difference between tax at effective vs. statutory rate	$ 12	$ (4)	$ 36	$ (667)	$ (670)