Note 13 - Summary of Other Operating (Income) Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Expense (income):
Transition services agreement income	$ (2)		$ (2)
Loss (gain) on sale of assets	1	$ (1)	1	$ (2)
Other	$ 1	(1)	$ 1
Total		$ (2)		$ (2)

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

No definition available.

Name:	us-gaap_OtherOperatingIncomeExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration