Note 16 - Financial Instruments (Details) - Financial Instruments Recorded at Fair Value (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts Receivable [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives
Short-term foreign exchange contracts	$ 4	$ 2
Accounts Receivable [Member]
Derivatives
Short-term foreign exchange contracts	4	2
Other Noncurrent Assets [Member] | Fair Value, Inputs, Level 1 [Member]
Marketable securities
Long-term available-for-sale securities	4	3
Other Noncurrent Assets [Member]
Marketable securities
Long-term available-for-sale securities	4	3
Other Current Liabilities [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives
Short-term foreign exchange contracts	2	1
Other Current Liabilities [Member]
Derivatives
Short-term foreign exchange contracts	$ 2	$ 1