Summary of Significant Accounting Policies, Stock Split (Details) $ / shares in Units, $ in Millions	Jun. 11, 2024 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares	Dec. 31, 2023 USD ($) $ / shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Total equity		$ 9,847.4	$ 8,395.8	$ 7,073.5	$ 6,360.1
Stock split conversion ratio	2
Change in the number of authorized common shares | shares	0
Class A Common Stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001	$ 0.001
Common Stock
Total equity		$ 1.2	$ 1.2	1.2	1.2
Additional Paid in Capital
Total equity		3,601.8	3,100.6	2,649.8	2,408.4
Stock Split [Member] | Common Stock
Total equity	$ 0.6	0.6	0.6	0.6	0.6
Stock Split [Member] | Additional Paid in Capital
Total equity	$ (0.6)	$ (0.6)	$ (0.6)	$ (0.6)	$ (0.6)