Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Accrued performance allocations	$ 6,169.9	$ 7,117.7
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	100,000,000,000	100,000,000,000
Common stock, issued (in shares)	361,326,172	362,298,650
Common stock, outstanding (in shares)	361,326,172	362,298,650