Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Net unrealized gains (losses) on equity securities in other income (expense)	$ (39.8)	$ 386.1	$ 196.0
Securities without readily determinable fair value	48.3	40.0
Long-term debt fair value	$ 1,443.0	$ 1,887.0