Quarterly report [Sections 13 or 15(d)]

Note 18 - Stock-based Compensation Plans (Details Textual)

v3.25.2
Note 18 - Stock-based Compensation Plans (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Apr. 30, 2025
Share-Based Payment Arrangement, Expense, Tax Expense (Benefit)         $ 1,000,000 $ 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)         0 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value         $ 0 $ 1,000,000  
Proceeds from Stock Options Exercised         0 0  
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit         0 $ 0  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture $ 0 $ 2,000,000 $ 0 $ 2,000,000      
Share-Based Payment Arrangement, Option [Member]              
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 0       $ 0    
Performance Share Unit, Type 1 [Member]              
Share Based Compensation Arrangement by Share Based Payment Award, Performance Period (Year)         3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate         30.00% 31.80%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate         4.30% 4.39%  
Restricted Stock Units (RSUs) [Member]              
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vested Not Issued (in shares)         175,238    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         38,868    
Performance Shares [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         186,825    
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture         $ 123,119    
Shares Issued, Value, Share-Based Payment Arrangement, Grant Date Fair Value (in dollars per share)         $ 60.36    
Nonvested Shares [Member]              
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 45,000,000       $ 45,000,000    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)         2 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value         $ 26,000,000 $ 24,000,000  
The 2025 Stock Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)             4,650,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 4,600,000       4,600,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)         3 years    
The 2025 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