Condensed Consolidated Statements of Cash Flow - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Cash from operating activities:
Net income from continuing operations	$ 500.5	$ 421.7	$ 1,405.8	$ 1,122.4
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities from continuing operations:
Depreciation and amortization	102.7	95.2	284.6	274.5
Stock-based compensation expense			64.2	60.2
Deferred income tax provision (benefit)			17.6	24.9
Net change in components of working capital			(274.3)	(414.1)
Net change in other long-term assets and liabilities			(28.6)	(7.5)
Net cash provided by operating activities from continuing operations			1,469.3	1,060.4
Net cash provided by (used in) operating activities from discontinued operations			0.0	9.1
Net cash provided by operating activities			1,469.3	1,069.5
Cash from investing activities:
Capital expenditures			(290.2)	(274.2)
Proceeds from disposals of property, plant and equipment			4.5	2.4
Purchases of investments			(304.6)	(128.0)
Sales and maturities of investments			220.6	129.3
Acquisitions, net of cash acquired			(288.2)	(1,531.0)	$ (2,225.4)
Other, net			7.4	(8.5)
Net cash used in investing activities from continuing operations			(650.5)	(1,810.0)
Net cash used in investing activities from discontinued operations			0.0	(4.7)
Net cash used in investing activities			(650.5)	(1,814.7)
Cash from financing activities:
Proceeds from issuance of senior notes and other long-term debt			2.9	749.9
Repayments of senior notes and other long-term debt			(7.5)	(616.2)
Proceeds from short-term borrowings			44.9	0.0
Repayments of short-term borrowings			(44.9)	0.0
(Repayments) borrowings under commercial paper programs, net			111.9	925.0
Payment of costs related to debt financing			(0.4)	(6.1)
Payment of deferred purchase price related to acquisitions			0.0	(4.1)
Purchase of treasury stock			(560.1)	(491.0)
Proceeds from exercise of stock options			114.1	180.9
Distributions to and purchases of noncontrolling interests			(4.4)	(11.3)
Dividend payments	(119.1)	(86.6)	(358.4)	(260.0)
Transfers to discontinued operations			0.0	(28.7)
Net cash provided by (used in) financing activities from continuing operations			(701.9)	438.4
Net cash provided by (used in) financing activities from discontinued operations			0.0	(0.1)
Net cash (used in) provided by financing activities			(701.9)	438.3
Effect of exchange rate changes on cash and cash equivalents			(125.0)	(15.5)
Net (decrease) increase in cash and cash equivalents			(8.1)	(322.4)
Cash and cash equivalents balance, beginning of period			1,197.1	1,702.0	1,702.0
Cash and cash equivalents balance, end of period	1,189.0	1,379.6	1,189.0	1,379.6	$ 1,197.1
Less: Cash and cash equivalents included in Current assets held for sale, end of period	0.0	111.5	0.0	111.5
Cash and cash equivalents balance of continuing operations, end of period	$ 1,189.0	$ 1,268.1	1,189.0	1,268.1
Cash paid for:
Interest			86.3	78.8
Income taxes, net			$ 387.8	$ 305.4