Additional Cash Flow Information (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 9,158.0	$ 10,369.1	$ 9,289.9	$ 10,504.0
Prepaid expenses and other current assets	11.4	3.2	5.7	8.0
Cash, cash equivalents and restricted cash per condensed consolidated statement of cash flows	$ 9,169.4	$ 10,372.3	$ 9,295.6	$ 10,512.0