Income Taxes, Provision and Effective tax rate impacts (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Taxes
Provision for income taxes	$ (247.3)	$ (135.1)	$ (465.9)	$ (245.8)
Effective tax rate	18.30%	20.40%	20.20%	18.50%
Discrete tax benefit comprised of the settlement of tax audits and lapses of statutes of limitation, along with a difference in a non-U.S. tax filing position				$ 18.6
Impact on the effective tax rate associated with the discrete tax benefit comprised of the settlement of tax audits and lapses of statutes of limitation, along with a difference in a non-U.S. tax filing position.				(1.40%)
Excess tax benefit from option exercises	$ 85.3	$ 30.9	$ 105.5	$ 60.6
Excess tax benefit, impact on effective tax rate	(6.30%)	(4.70%)	(4.60%)	(4.60%)
Impact of acquisition-related expenses on the effective tax rate	0.20%	1.00%	0.20%	0.50%