Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 4,600.8	$ 3,011.6	$ 1,865.5
Unrealized (losses) gains on derivative contracts
Net (loss) gain arising during the period	(174.9)	17.7	54.2
Tax effect	37.0	(9.1)	(14.3)
Reclassification adjustment	111.8	48.0	(33.7)
Tax effect	(20.0)	(8.0)	9.5
Net current period OCI, unrealized gains (losses) on derivative contracts	(46.1)	48.6	15.7
Unrealized gains (losses) on marketable debt securities
Net holding gain (loss)	43.2	(54.9)	(18.8)
Tax effect	(10.8)	13.6	4.7
Reclassification adjustment	(3.6)	(1.6)	(2.1)
Tax effect	0.9	0.4	0.5
Net current period OCI, unrealized (losses) gains on marketable debt securities	29.7	(42.5)	(15.7)
Pension plans
Net (loss) gain arising during the period	(5.8)	170.5	343.2
Tax effect	1.8	(34.1)	(80.3)
Reclassification adjustment	6.1	29.6	59.5
Tax effect	(1.5)	(7.1)	(14.1)
Net current period OCI, pension plans	0.6	158.9	308.3
Foreign currency translation gain (loss)	275.3	(197.3)	(179.1)
Net other comprehensive income (loss)	259.5	(32.3)	129.2
Comprehensive Income	$ 4,860.3	$ 2,979.3	$ 1,994.7