Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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Name:	us-gaap_AssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Note 10 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
BRAZIL
Commitments And Contingencies [Line Items]
Restricted Cash	$ 4	$ 5
Federal and State Value added Taxes Litigations and Civil Litigation and Disputes with Former Employees [Member] \| BRAZIL
Commitments And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	10
Threat of Expropriation of Assets [Member] \| BRAZIL
Commitments And Contingencies [Line Items]
Assets, Noncurrent	58
ABL Credit Agreement [Member]
Commitments And Contingencies [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	85
Bank Guarantees and Letters of Credit [Member]
Commitments And Contingencies [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	3
Surety Bond [Member]
Commitments And Contingencies [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	40
Restricted Cash and Deposits [Member]
Commitments And Contingencies [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 21