Note 18 - Income Taxes - Net Operating Loss Carryforwards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Valuation allowance	$ (117)
Deferred tax assets	240	$ 258
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Deferred tax assets, net operating loss carryforwards, domestic	$ 40
Net operating loss carryforward period (Year)	20 years
State and Local Jurisdiction [Member]
Deferred tax assets, net operating loss carryforwards, state and local	$ 61
Valuation allowance	$ (33)
Net operating loss carryforward period	Various
Foreign Tax Authority [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member]
Valuation allowance	$ (5)
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 14
Foreign Tax Authority [Member] | Ministry of the Economy, Finance and Industry, France [Member]
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 8
Foreign Tax Authority [Member] | Australian Taxation Office [Member]
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 26
Foreign Tax Authority [Member] | Ministry of Economic Affairs and Finance, Italy [Member]
Valuation allowance	$ (27)
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 31
Foreign Tax Authority [Member] | Federal Ministry of Finance, Germany [Member]
Valuation allowance	$ (6)
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 6
Foreign Tax Authority [Member] | Tax Authority, Lithuania [Member]
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 1
Foreign Tax Authority [Member] | Tax Authority, South Africa [Member]
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 2
Foreign Tax Authority [Member] | Tax Authority, Spain [Member]
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 1
Foreign Tax Authority [Member] | Her Majesty's Revenue and Customs (HMRC) [Member]
Valuation allowance	$ (7)
Net operating loss carryforward period	Unlimited
Deferred tax assets, net operating loss carryforwards, foreign	$ 7
Foreign Tax Authority [Member] | Canada Revenue Agency [Member]
Net operating loss carryforward period (Year)	20 years
Valuation allowance	$ (25)
Deferred tax assets, net operating loss carryforwards, foreign	$ 28
Foreign Tax Authority [Member] | Ministry of Finance, India [Member]
Net operating loss carryforward period (Year)	8 years
Deferred tax assets, net operating loss carryforwards, foreign	$ 1
Foreign Tax Authority [Member] | State Administration of Taxation, China [Member]
Net operating loss carryforward period (Year)	5 years
Valuation allowance	$ (14)
Deferred tax assets, net operating loss carryforwards, foreign	$ 14