XML 109 R92.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 15 - Income Taxes (Details Textual) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Schedule Of Income Taxes [Line Items]          
U.S. corporate income tax rate   35.00%      
Decrease in net deferred tax assets   $ 202      
Benefit amount   7      
Tax cuts and jobs act, incomplete accounting, transition tax for accumulated foreign earnings, provisional income tax expense   14      
Operating Loss Carryforwards   1,375      
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration   542      
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration   833      
Deferred Tax Assets, Tax Credit Carryforwards, Foreign   343 $ 335    
Accumulated Deferred Investment Tax Credit   $ 58      
Operating Loss Carryforwards Limitations Minimum Ownership Change Percentage   50.00%      
Operating Loss Carryforwards Limitations Ownership Change Period   3 years      
Deferred Tax Liabilities, Undistributed Foreign Earnings, Net of Provision for Withholding Tax     56    
Provision For Withholding Tax On Undistributed Foreign Earnings   $ 20 20    
Deferred Tax Assets, Valuation Allowance   856 1,209    
Deferred Tax Assets, Net of Valuation Allowance   172 19    
Benefit associated with release of valuation allowance on deferred tax assets   (110) 33 $ 32  
Income Tax Examination, Penalties and Interest Accrued   17 23    
Uncertain Tax Benefits   29 36    
Re-measurement of uncertain tax positions   22      
Minimum [Member]          
Schedule Of Income Taxes [Line Items]          
Decrease in Unrecognized Tax Benefits is Reasonably Possible   0      
Maximum [Member]          
Schedule Of Income Taxes [Line Items]          
Decrease in Unrecognized Tax Benefits is Reasonably Possible   15      
Valuation Allowance of Deferred Tax Assets [Member]          
Schedule Of Income Taxes [Line Items]          
Benefit associated with release of valuation allowance on deferred tax assets   101      
Foreign Tax Authority [Member]          
Schedule Of Income Taxes [Line Items]          
Deferred Tax Assets, Valuation Allowance   159 237    
Deferred Tax Assets, Net of Valuation Allowance   353 312    
Liability for Uncertain Tax Positions, Current         $ 6
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued         $ 2
Other Tax Expense (Benefit)   (1)      
Domestic Tax Authority [Member]          
Schedule Of Income Taxes [Line Items]          
Deferred Tax Assets, Valuation Allowance   697 972    
Deferred Tax Assets, Net of Valuation Allowance   $ 675 $ 916    
Scenario Plan [Member]          
Schedule Of Income Taxes [Line Items]          
U.S. corporate income tax rate 21.00%