v3.26.1
Earnings Per Share (Narrative) (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividends declared per common share $ 1.88 $ 1.80 $ 5.64 $ 5.40
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 1,000 1,000