Annual report pursuant to Section 13 and 15(d)

Note 23 - Stock-based Compensation Plan (Details Textual)

v3.22.0.1
Note 23 - Stock-based Compensation Plan (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 05, 2016
Share-based Payment Arrangement, Expense, Tax Benefit $ 3 $ 4 $ 8  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 11.48 $ 8.25 $ 9.27  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 13 $ 9 $ 4  
Proceeds from Stock Options Exercised 10 3 2  
Share-based Payment Arrangement, Option [Member]        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 5      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 7 months 6 days      
Share-based Payment Arrangement, Exercise of Option, Tax Benefit $ 2 $ 2 $ 1  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 0.70% 1.40% 2.50%  
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate 44.90% 34.00% 34.60%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 0.20% 1.40% 2.50%  
Share Based Compensation Arrangement by Share Based Payment Award, Performance Period (Year) 3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 76,055      
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Target Shares Awards for Grant Number (in shares)   110,542    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 41.93      
Restricted Stock Units (RSUs) [Member]        
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vested Not Issued (in shares) 457,294      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 30,438      
Nonvested Shares [Member]        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 30      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 9 months 18 days      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 18 $ 24 $ 24  
The 2016 Stock Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) 7,000,000     8,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 3 years      
The 2016 Stock Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years