Note 4 - Debt (Details)	3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 Commercial Paper [Member] USD ($)	Mar. 31, 2013 Amended Credit Facility [Member] USD ($)	Mar. 31, 2013 Foreign Line of Credit [Member] CNY
Note 4 - Debt (Details) [Line Items]
Debt Instrument, Fair Value Disclosure		$ 3,500,000,000	$ 3,500,000,000
Long-term Debt and Capital Lease Obligations		3,224,000,000	3,272,000,000
Line of Credit Facility, Amount Outstanding				418,000,000
Line of Credit Facility, Maximum Borrowing Capacity					1,000,000,000	4,000,000,000
Repayments of Lines of Credit	$ 500,000,000