CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - USD ($) $ in Millions	Total	Common stock Common Class A	Common stock Common Class B	Common stock Class A exchangeable shares	Common stock Class B exchangeable shares	Paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Common stock held in treasury	Noncontrolling interests	[1]
Beginning balance at Dec. 31, 2021	$ 13,664.1	$ 0.0	$ 2.1	$ 102.2	$ 417.8	$ 6,970.9	$ 7,401.5	$ (1,006.0)	$ (471.4)	$ 247.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of shares	0.0				(4.5)	4.5
Shares issued under equity compensation plan	(2.9)					(2.9)
Amortization of share-based compensation	33.6					33.6
Purchase of noncontrolling interest	(1.4)					0.3				(1.7)
Net income (loss) including noncontrolling interests	(186.5)						(175.3)			(11.2)
Other comprehensive income (loss), net of tax	(201.9)							(199.5)		(2.4)
Share repurchase program	(51.5)								(51.5)
Contributions from noncontrolling interests	8.1									8.1
Distributions and dividends to noncontrolling interests	(14.3)									(14.3)
Dividends declared	(332.1)						(332.1)
Ending balance at Dec. 31, 2022	12,915.2	0.0	2.1	102.2	413.3	7,006.4	6,894.1	(1,205.5)	(522.9)	225.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of shares	0.0			(1.4)	(61.0)	62.4
Shares issued under equity compensation plan	0.2					0.2
Amortization of share-based compensation	44.9					44.9
Purchase of noncontrolling interest	(8.5)					(5.5)				(3.0)
Net income (loss) including noncontrolling interests	957.1						948.9			8.2
Deconsolidation of VIE	(8.8)									(8.8)
Other comprehensive income (loss), net of tax	90.1							89.2		0.9
Share repurchase program	(212.7)								(212.7)
Contributions from noncontrolling interests	2.4									2.4
Distributions and dividends to noncontrolling interests	(14.0)									(14.0)
Dividends declared	(358.7)						(358.7)
Ending 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	0.0			0.0	(81.2)	81.2
Shares issued under equity compensation plan	(9.8)					(9.8)
Amortization of share-based compensation	43.1					43.1
Purchase of noncontrolling interest	0.5					0.7				(0.2)
Net income (loss) including noncontrolling interests	1,163.2						1,122.4			40.8
Other comprehensive income (loss), net of tax	(243.2)
Other comprehensive income (loss), net of tax	(242.9)							(242.6)		(0.3)
Share repurchase program	(645.2)								(645.2)
Contributions from noncontrolling interests	5.2									5.2
Distributions and dividends to noncontrolling interests	(3.1)									(3.1)
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	(368.7)						(368.7)
Ending 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

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