Note 1 - Summary of Impact of Adoption on Consolidated Statement of Operations and Consolidated Statement of Financial Position (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
Revenues
Sales	$ 285	$ 283
Services	72	74
Total revenues	357	357
Net income	(25)	$ 7
Liabilities
Other current liabilities	224			$ 217
Other long-term liabilities	207			202
Equity (Deficit)
Accumulated deficit	(209)			$ (174)
ASU 2014-09 [Member]
Liabilities
Other current liabilities			$ 219
Other long-term liabilities			210
Equity (Deficit)
Accumulated deficit	(10)		(184)
ASU 2014-09 [Member] | Balances without Adoption of ASU 2014-09 [Member]
Revenues
Sales	284
Services	72
Total revenues	356
Net income	(26)
Liabilities
Other current liabilities	222
Other long-term liabilities	200
Equity (Deficit)
Accumulated deficit	(200)
ASU 2014-09 [Member] | Effect of Change Higher (Lower) [Member]
Revenues
Sales	1
Total revenues	1
Net income	1
Liabilities
Other current liabilities	2		2
Other long-term liabilities	7		8
Equity (Deficit)
Accumulated deficit	$ (9)		$ (10)