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Quarterly report pursuant to Section 13 or 15(d)

Note 17 - Stock-based Compensation Plans (Details Textual)

v3.21.2
Note 17 - Stock-based Compensation Plans (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Share-based Payment Arrangement, Expense, Tax Benefit Ìý Ìý $ 1 $ 1 Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares) 0 0 Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) Ìý Ìý $ 11.48 Ìý Ìý
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 8 Ìý $ 8 Ìý Ìý
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) Ìý Ìý 1 year 10 months 24 days Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Ìý Ìý $ 8 2 Ìý
Proceeds from Stock Options Exercised Ìý Ìý 6 1 Ìý
Share-based Payment Arrangement, Exercise of Option, Tax Benefit Ìý Ìý $ 2 $ 1 Ìý
Share-based Payment Arrangement, Option [Member] Ìý Ìý Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Ìý Ìý 0.70% 1.50% Ìý
Performance Shares [Member] Ìý Ìý Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Ìý Ìý 44.80% 34.00% Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Ìý Ìý 0.20% 1.40% Ìý
Share Based Compensation Arrangement by Share Based Payment Award, Performance Period (Year) Ìý Ìý 3 years 3 years Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) Ìý Ìý 76,055 Ìý Ìý
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Target Shares Awards for Grant Number (in shares) Ìý Ìý Ìý Ìý 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) Ìý Ìý $ 41.93 Ìý Ìý
Restricted Stock Units (RSUs) [Member] Ìý Ìý Ìý Ìý Ìý
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vested Not Issued (in shares) Ìý Ìý 457,294 Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) Ìý Ìý 30,438 Ìý Ìý
Nonvested Shares [Member] Ìý Ìý Ìý Ìý Ìý
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 40 Ìý $ 40 Ìý Ìý
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) Ìý Ìý 2 years 1 month 6 days Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Ìý Ìý $ 18 $ 24 Ìý
The 2016 Stock Incentive Plan [Member] Ìý Ìý Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) 7,000,000 Ìý 7,000,000 Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) Ìý Ìý 3 years Ìý Ìý
The 2016 Stock Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member] Ìý Ìý Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) Ìý Ìý 10 years Ìý Ìý