Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 1,176.4	$ 1,082.8	$ 3,155.6	$ 1,859.5
Provision for income taxes	$ 245.9	$ 230.9	$ 652.5	$ 287.5
Effective tax rate	21.00%	21.00%	21.00%	15.00%
Discrete tax benefit associated with an increase in U.K.'s corporate tax rate				$ 99.7
Net unrecognized tax benefits which would affect the tax rate if recognized	$ 144.9		$ 144.9		$ 129.5