Note 2 - Bankruptcy Proceedings (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	0 Months Ended					3 Months Ended		6 Months Ended										0 Months Ended										0 Months Ended	3 Months Ended	0 Months Ended		0 Months Ended	6 Months Ended						0 Months Ended						0 Months Ended
	Jul. 25, 2013	Jun. 17, 2013	Apr. 26, 2013	Mar. 22, 2013	Jan. 31, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jul. 31, 2013	Dec. 31, 2012	Mar. 15, 2011	Mar. 05, 2010	Jan. 31, 2013 Unsecured Pre-Petition Claim [Member]	Jun. 26, 2013 Backstop Commitment Agreement [Member] Additional [Member]	Jun. 26, 2013 Backstop Commitment Agreement [Member]	Jul. 18, 2013 Settlement Parties [Member] Subsequent Event [Member]	Jun. 30, 2013 2011 Through 2014 [Member]	Jun. 30, 2013 2015 Through 2022 [Member]	Jun. 26, 2013 Senior Secured Term Loans [Member]	Jun. 25, 2013 Senior Secured Term Loans [Member]	Jun. 26, 2013 First Lien Term Loan [Member]	Jun. 25, 2013 First Lien Term Loan [Member]	Jun. 26, 2013 Second Lien Note Holders [Member]	Jun. 25, 2013 Second Lien Note Holders [Member]	Jun. 26, 2013 Revolving Credit Facility [Member]	Apr. 26, 2013 Subject to Repayment [Member]	Jun. 30, 2013 Subsequent Event [Member]	Jul. 25, 2013 Additional [Member]	Mar. 22, 2013 Amount Convertible To Permanant Amount Upon Emergence From Chapter 11 [Member] Junior DIP Facility [Member]	Jun. 17, 2013 Historical [Member]	Jun. 30, 2013 Historical [Member]	Jun. 30, 2013 125% Warrants [Member]	Jun. 30, 2013 135% Warrants [Member]	Jun. 30, 2013 Liabilities Held For Sale [Member]	Dec. 31, 2012 Liabilities Held For Sale [Member]	Jun. 30, 2013 Plan of Reorganization [Member]	Apr. 26, 2013 Maximum from KPP Assets [Member]	Jun. 30, 2013 Super-priority senior secured asset-based revolving credit facility under U.S. DIP Credit Agreement [Member]	Jan. 20, 2012 Super-priority senior secured asset-based revolving credit facility under U.S. DIP Credit Agreement [Member]	Jun. 30, 2013 Super-priority senior secured term loan facility under U.S. DIP Credit Agreement [Member]	Jan. 20, 2012 Super-priority senior secured term loan facility under U.S. DIP Credit Agreement [Member]	Mar. 22, 2013 Junior DIP Facility [Member]	Mar. 22, 2013 First Lien Term Loan [Member]	Mar. 22, 2013 Junior Lien Term Loan [Member]	Jun. 26, 2013 Maximum [Member]	Jun. 25, 2013 Maximum [Member]	Jun. 26, 2013 Minimum [Member]	Jun. 25, 2013 Minimum [Member]
Note 2 - Bankruptcy Proceedings (Details) [Line Items]
Common Stock, Shares Authorized (in Shares)						950			950							10	34																					500
Common Stock, Shares, Issued (in Shares)												391																										40
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)																																		14.93	16.12
Percentage of Effective Date Share Issuance Equal to Common Stock for Warrants						5.00%			5.00%
Other Commitment																	$ 406,000,000
Shares Issued, Price Per Share (in Dollars per share)																	$ 11.94
Common Stock, Value, Subscriptions																	406,000,000
Commitment Fee Percentage																	4.00%
Consummation Fee Percentage																	1.00%
Line of Credit Facility, Maximum Borrowing Capacity					225,000,000	950,000,000			950,000,000												695,000,000	695,000,000	420,000,000	420,000,000	275,000,000	275,000,000	200,000,000				654,000,000									250,000,000		700,000,000
Line of Credit Facility Maturity Period																																															5 years	5 years	90 years	90 years
Agreemen tMinimum Contribution Amount																			50,000,000	90,000,000
Agreement Maximum Additional Payment						5,000,000			5,000,000
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent						431,000,000			431,000,000			506,000,000																								1,400,000,000	1,500,000,000
Bankruptcy Claims, Amount of Claims Filed	22,500,000,000								2,800,000,000									244,000,000												90,000,000
Proceeds from Payment Applied to Reducing Pension Liabilities			120,000,000
Proceeds from Sale of Intangible Assets			445,000,000		530,000,000																							35,000,000											325,000,000
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds																																												848,000,000
Debt Instrument, Face Amount													250,000,000	200,000,000																											950,000,000		700,000,000		473,000,000	375,000,000
Repayments of Debt				200,000,000																																									200,000,000
Percentage of US Liquidity Above Stated Amount Requirement For Repayment of Loans				75.00%
US Liquidity Stated Amount				200,000,000							75,000,000																																	200,000,000
Minimum Amount In Cash Proceeds From Disposition Of Specific Assets				600,000,000
Bankruptcy Claims, Number of Claims under Review by Management	6,200																													100
Bankruptcy Claims, Number of Claims Expunged by Bankruptcy Court	1,700
Bankruptcy Claims, Amount of Claims Expunged by Bankruptcy Court	1,200,000,000
Contractual Interest Expense on Prepetition Liabilities Not Recognized in Statement of Operations								22,000,000	24,000,000
Bankruptcy Claims, Amount of Claims Settled															70,000,000
Litigation Settlement, Amount		49,000,000					(5,000,000)			(1,000,000)
Environmental Expense and Liabilities																																99,000,000	99,000,000
Percentage of Liability Above $99 Million		50.00%				50.00%			50.00%
Debtor Reorganization Items, Provision for Expected Allowed Claims						$ 38,000,000	$ 115,000,000		$ 100,000,000	$ 115,000,000																			$ 27,000,000