Note 3 - Fresh Start Accounting (Details) - Liabilities Subject to Compromise (USD $) In Millions, unless otherwise specified			0 Months Ended		0 Months Ended
	Sep. 30, 2013	Sep. 03, 2013	Sep. 03, 2013 Satisfied in Cash [Member] Reorganization Adjustments [Member]	Sep. 03, 2013 Reorganization Adjustments [Member] Environmental Liabilities [Member]	Sep. 03, 2013 Reorganization Adjustments [Member]
Note 3 - Fresh Start Accounting (Details) - Liabilities Subject to Compromise [Line Items]
Liabilities subject to compromise (LSTC)		$ (9)			$ 2,475	[1]
Cash payments at emergence from LSTC					(84)
Claims expected to be satisfied in cash			(35)		(94)
Liabilities reinstated at emergence:
Pension and other postretirement liabilities					(156)	[1]
Environmental obligations	(18)			(61)	(61)	[1]
Other current liabilities					(9)
Total liabilities reinstated at emergence					(226)
Fair value of equity issued to unsecured creditors					(85)
Fair value of warrants issued to unsecured creditors					(24)
Gain on settlement of liabilities subject to compromise					$ 2,021

[1] Liabilities subject to compromise were settled as follows in accordance with the Plan: