Debt (Summary of Long-Term Debt) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Current portion of long-term debt	$ 2,360.1	$ 1,934.7
Unamortized debt issuance expense	(26.8)	(29.5)
Long-term debt	14,731.2	16,188.1
Other Current Portion of Long-term Debt
Debt Instrument [Line Items]
Current portion of long-term debt	0.5	0.4
2020 Euro Senior Notes
Debt Instrument [Line Items]
Long-term debt	248.6	283.6
Other
Debt Instrument [Line Items]
Long-term debt	$ 2.1	2.4
2024 Euro Senior Notes, 1.023%
Debt Instrument [Line Items]
Stated percentage rate	1.023%
2027 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	1.362%
2027 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	2.30%
Senior Notes \| 2024 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	2.25%
Current portion of long-term debt	$ 1,071.1	1,103.5
Senior Notes \| 2.125% Euro Senior Notes due 2025
Debt Instrument [Line Items]
Stated percentage rate	2.125%
Current portion of long-term debt	$ 535.5	0.0
Long-term debt	$ 0.0	551.7
Senior Notes \| 2026 Senior Notes (3.950% coupon)
Debt Instrument [Line Items]
Stated percentage rate	3.95%
Long-term debt	$ 2,246.1	2,245.1
Senior Notes \| 2028 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	3.125%
Long-term debt	$ 800.1	824.1
Senior Notes \| SeniorNotesTwoThousandTwentyEight [Member]
Debt Instrument [Line Items]
Stated percentage rate	4.55%
Senior Notes \| 2028 Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 749.2	749.1
Senior Notes \| 2043 Senior Notes (5.400% coupon)
Debt Instrument [Line Items]
Stated percentage rate	5.40%
Long-term debt	$ 497.5	497.5
Senior Notes \| 2046 Senior Notes (5.250% coupon)
Debt Instrument [Line Items]
Stated percentage rate	5.25%
Long-term debt	$ 999.9	999.9
Senior Notes \| 2048 Senior Notes (5.200%)
Debt Instrument [Line Items]
Stated percentage rate	5.20%
Senior Notes \| 2048 Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 747.9	747.8
Senior Notes \| 2024 Euro Senior Notes, 1.023%
Debt Instrument [Line Items]
Current portion of long-term debt	$ 0.0	831.5
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	1.65%
Current portion of long-term debt	$ 753.8	0.0
Long-term debt	0.0	755.7
Senior Notes \| 2027 Euro Senior Notes
Debt Instrument [Line Items]
Long-term debt	934.6	967.2
Senior Notes \| 2027 Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 767.0	769.8
Senior Notes \| 2030 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	2.70%
Long-term debt	$ 1,501.0	1,505.0
Senior Notes \| 2032 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	1.908%
Long-term debt	$ 1,429.4	1,478.4
Senior Notes \| 2040 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	3.85%
Long-term debt	$ 1,640.6	1,644.0
Senior Notes \| 2050 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	4.00%
Long-term debt	$ 2,194.0	2,196.3
Current Portion of Long-Term Debt
Debt Instrument [Line Items]
Unamortized debt issuance expense	$ (0.8)	$ (0.7)

Amount of debt and lease obligation, classified as current.

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