CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical)	3 Months Ended
	Mar. 31, 2025 participant $ / shares	Mar. 31, 2024 participant $ / shares
Number of incentive compensation deferral plan participants | participant	2	3
Class A common stock
Dividends declared (in dollars per share)	$ 1.365	$ 1.275
Class B common stock
Dividends declared (in dollars per share)	$ 204.75	$ 191.25