Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 3,011.6	$ 1,865.5	$ 1,301.2
Unrealized gains (losses) on derivative contracts
Net gain (loss) arising during the period	17.7	54.2	(105.3)
Tax effect	(9.1)	(14.3)	26.9
Reclassification adjustment	48.0	(33.7)	87.6
Tax effect	(8.0)	9.5	(23.1)
Net current period OCI, unrealized gains (losses) on derivative contracts	48.6	15.7	(13.9)
Unrealized (losses) gains on marketable debt securities
Net holding (loss) gain	(54.9)	(18.8)	13.6
Tax effect	13.6	4.7	(3.3)
Reclassification adjustment	(1.6)	(2.1)	(2.4)
Tax effect	0.4	0.5	0.6
Net current period OCI, unrealized (losses) gains on marketable debt securities	(42.5)	(15.7)	8.5
Pension plans
Net gain (loss) arising during the period	170.5	343.2	(132.4)
Tax effect	(34.1)	(80.3)	28.4
Reclassification adjustment	29.6	59.5	57.3
Tax effect	(7.1)	(14.1)	(13.7)
Net current period OCI, pension plans	158.9	308.3	(60.4)
Foreign currency translation (loss) gain	(197.3)	(179.1)	115.6
Net other comprehensive (loss) income	(32.3)	129.2	49.8
Comprehensive Income	$ 2,979.3	$ 1,994.7	$ 1,351.0