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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) | 12 Months Ended
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Dec. 31, 2024 participant $ / shares | Dec. 31, 2023 participant $ / shares | Dec. 31, 2022 $ / shares
Number of incentive compensation deferral plan participants | participant | 5 | 4 |
Class A common stock |  |  |
Dividends declared (in dollars per share) | $ 5.19 | $ 4.845 | $ 4.52
Class B common stock |  |  |
Dividends declared (in dollars per share) | $ 778.50 | $ 726.75 | $ 678.00

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