CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - USD ($) $ in Millions	Total	Common stock Common Class A	Common stock Common Class B	Common stock Exchangeable Class A	Common stock Exchangeable Class B	Paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Common stock held in treasury Class B	Noncontrolling interests	[1]
Beginning balance at Dec. 31, 2023	$ 13,407.2	$ 0.0	$ 2.1	$ 100.8	$ 352.3	$ 7,108.4	$ 7,484.3	$ (1,116.3)	$ (735.6)	$ 211.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of shares					(81.2)	81.2
Shares issued under equity compensation plan	(13.3)					(13.3)
Amortization of share-based compensation	34.6					34.6
Purchase of noncontrolling interest	(0.1)					0.1				(0.2)
Net income (loss) including noncontrolling interests	865.7						834.6			31.1
Other comprehensive income (loss), net of tax	12.7							12.7
Share repurchase program	(437.2)								(437.2)
Contributions from noncontrolling interests	2.7									2.7
Reclassification of mandatorily redeemable noncontrolling interest to accounts payable and other current liabilities	(49.2)							(3.5)		(45.7)
Reclassification of noncontrolling interests to redeemable noncontrolling interests	(16.1)									(16.1)
Distributions and dividends to noncontrolling interests	(2.8)									(2.8)
Dividends declared	(278.7)						(278.7)
Ending balance at Sep. 30, 2024	13,525.5	0.0	2.1	100.8	271.1	7,211.0	8,040.2	(1,107.1)	(1,172.8)	180.2
Beginning balance at Jun. 30, 2024	13,389.0	0.0	2.1	100.8	352.3	7,119.4	7,932.4	(1,217.3)	(1,110.1)	209.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of shares	0.0				(81.2)	81.2
Shares issued under equity compensation plan	(0.1)					(0.1)
Amortization of share-based compensation	10.4					10.4
Purchase of noncontrolling interest	0.0					0.1				(0.1)
Net income (loss) including noncontrolling interests	229.5						199.8			29.7
Other comprehensive income (loss), net of tax	114.0							113.7		0.3
Share repurchase program	(62.7)								(62.7)
Contributions from noncontrolling interests	2.7									2.7
Reclassification of mandatorily redeemable noncontrolling interest to accounts payable and other current liabilities	(49.2)							(3.5)		(45.7)
Reclassification of noncontrolling interests to redeemable noncontrolling interests	(16.1)									(16.1)
Dividends declared	(92.0)						(92.0)
Ending balance at Sep. 30, 2024	13,525.5	0.0	2.1	100.8	271.1	7,211.0	8,040.2	(1,107.1)	(1,172.8)	180.2
Beginning balance at Dec. 31, 2024	13,284.2	0.0	2.1	100.8	271.1	7,223.6	8,238.0	(1,362.4)	(1,380.8)	191.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of shares					(4.2)	4.2
Shares issued under equity compensation plan	(15.3)		0.1			(15.4)
Amortization of share-based compensation	27.2					27.2
Purchase of noncontrolling interest	(0.2)					(0.1)				(0.1)
Net income (loss) including noncontrolling interests	(2,364.9)						(2,377.9)			13.0
Other comprehensive income (loss), net of tax	218.3
Other comprehensive income (loss), net of tax	217.8							217.3		0.5
Share repurchase program	(334.9)								(334.9)
Distributions and dividends to noncontrolling interests	(7.0)									(7.0)
Dividends declared	(283.6)						(283.6)
Ending balance at Sep. 30, 2025	10,523.3	0.0	2.2	100.8	266.9	7,239.5	5,576.5	(1,145.1)	(1,715.7)	198.2
Beginning balance at Jun. 30, 2025	13,636.3	0.0	2.2	100.8	266.9	7,230.6	8,597.5	(1,066.9)	(1,690.4)	195.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plan	0.6					0.6
Amortization of share-based compensation	8.3					8.3
Net income (loss) including noncontrolling interests	(2,922.0)						(2,927.6)			5.6
Other comprehensive income (loss), net of tax	(78.2)
Other comprehensive income (loss), net of tax	(78.2)							(78.2)
Share repurchase program	(25.3)								(25.3)
Distributions and dividends to noncontrolling interests	(3.0)									(3.0)
Dividends declared	(93.4)						(93.4)
Ending balance at Sep. 30, 2025	$ 10,523.3	$ 0.0	$ 2.2	$ 100.8	$ 266.9	$ 7,239.5	$ 5,576.5	$ (1,145.1)	$ (1,715.7)	$ 198.2

[1] All activity included in the noncontrolling interests column of the unaudited condensed consolidated statements of stockholders' equity and noncontrolling interests excludes activity from our redeemable noncontrolling interests.