Note 5 - Income Taxes (Details) - Provision for Income Taxes and Effective Income Tax Rates (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Provision for Income Taxes and Effective Income Tax Rates [Abstract]
Provision for income taxes (in Dollars)	$ (191)		$ (100)		$ (225)		$ (218)
Effective tax rate (1)	23.00%	[1]	17.40%	[1]	16.60%	[1]	18.70%	[1]

[1] As revised for the change in our method of recognizing pension expense. See Note 1 of Notes to Consolidated Financial Statements for a discussion of the change and the impacts of the change for the three and six months ended June 30, 2012.