CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical)	12 Months Ended
	Dec. 31, 2025 participant $ / shares	Dec. 31, 2024 participant $ / shares	Dec. 31, 2023 participant $ / shares
Number of incentive compensation deferral plan participants | participant	3	5	5
Class A common stock
Dividends declared (in dollars per share)	$ 5.5575	$ 5.19	$ 4.845
Class B common stock
Dividends declared (in dollars per share)	$ 833.625	$ 778.50	$ 726.75