Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income (loss) before provision for (benefit from) income taxes	$ 1,024.4	$ (44.2)	$ 1,979.2	$ 776.7
Provision for (benefit from) income taxes	$ 213.9	$ (111.2)	$ 406.6	$ 56.6
Effective tax rate	21.00%	251.00%	21.00%	7.00%
Discrete tax benefit associated with an increase in U.K.'s corporate tax rate		$ 99.7		$ 99.7
Net unrecognized tax benefits which would affect the tax rate if recognized	$ 145.2		$ 145.2		$ 129.5