v3.25.2
Earnings (Loss) Per Share (Narrative) (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividends declared per common share $ 1.80 $ 1.72 $ 5.40 $ 5.16
Contingently Issuable Shares [Member] | Class B Common Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares excluded from earnings per share 1,000   1,000  
Stock Options and Contingently Issuable Shares [Member] | Class B Common Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares excluded from earnings per share   27,742   27,742