Note 2 - Reorganization Items, Net (Details) - Reorganization Items, Net (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2014 Successor [Member]	Jun. 30, 2014 Successor [Member]	Jun. 30, 2013 Predecessor [Member]	Jun. 30, 2013 Predecessor [Member]
Note 2 - Reorganization Items, Net (Details) - Reorganization Items, Net [Line Items]
Professional fees			$ 3	$ 8	$ 41	$ 99
Provision for expected allowed claims			(1)	(1)	38	100
Other items, net			3	3	(7)	(7)
Reorganization items, net			5	10	72	192
Cash payments for reorganization items	$ (10)	$ (15)	$ 8	$ 18	$ 58	$ 101