Note 10 - Summary of Other Operating Expense (Income), Net (Details) (Parentheticals) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2017	Mar. 31, 2017
Property, Plant and Equipment
Other Operating Income Expense Net [Line Items]
Reduced carrying value of assets	$ 8	$ 8
Finite-Lived Intangible Assets
Other Operating Income Expense Net [Line Items]
Reduced carrying value of assets	$ 12	$ 4

For the asset that is reclassified back to held and used from held-for-sale, the amount of impairment charge that is recognized on the reclassification date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 44
-URI http://asc.fasb.org/extlink&oid=29634951&loc=d3e1756-110224

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2459-110228

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