Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.20.4
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash Flow Hedge Derivative, Quarterly Period of Effectiveness Assessment (Month) 3 months      
Cumulative Inflation Rate Considered for Economic Environment to Be Highly Inflationary 100.00%      
Period Considered for Determining Highly Inflationary Economic Environment (Year) 3 years      
Foreign Currency Transaction Gain (Loss), before Tax, Total $ 2 $ (8) $ 3  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00% 35.00%
Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit)     $ 32  
Goodwill, Purchase Accounting Adjustments $ 259 $ (2)    
Goodwill, Foreign Currency Translation Gain (Loss) $ (2) $ 1    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 4.3 3.0 0.8  
Interest Costs Capitalized $ 7 $ 4 $ 4  
Minimum [Member]        
Cash Flow Hedge Derivative Instrument, Effectiveness Percentage 80.00%      
Maximum [Member]        
Cash Flow Hedge Derivative Instrument, Effectiveness Percentage 125.00%