Debt (Details)
€ in Millions, £ in Millions, $ in Millions |
3 Months Ended |
6 Months Ended |
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Jun. 30, 2026
USD ($)
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Jun. 30, 2025
USD ($)
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Jun. 30, 2026
USD ($)
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Jun. 30, 2025
USD ($)
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Jun. 30, 2026
EUR (€)
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Jun. 30, 2026
GBP (£)
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Dec. 31, 2025
USD ($)
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| Short-Term Borrowings [Abstract] |
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| Short-term debt |
$ 48.8
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$ 48.8
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$ 62.0
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
10,183.4
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10,183.4
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9,272.9
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| Unamortized discount |
(188.8)
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(188.8)
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(192.3)
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| Unamortized debt issuance costs |
(41.4)
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(41.4)
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(25.9)
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| Unamortized deferred loss from settlement of interest rate swap |
0.0
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0.0
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(0.2)
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| Long-Term Debt, including current portion |
9,953.2
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9,953.2
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9,054.5
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| Long-term debt, current portion |
0.0
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0.0
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(1,399.5)
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| Long-Term Debt |
9,953.2
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9,953.2
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7,655.0
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| Repayment of debt |
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1,400.0
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$ 0.0
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| Credit Facility [Member] |
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| Credit Facilities [Abstract] |
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| Credit Facilities, maximum borrowing capacity |
3,500.0
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$ 3,500.0
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| Credit Facilities, expiration date |
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Nov. 26, 2030
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| Credit Facilities, covenant terms |
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The Credit Facility has a financial covenant that requires us to maintain a Leverage Ratio (as defined in the Credit Facility) of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period.
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| Credit Facilities, covenant compliance |
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At June 30, 2026, we were in compliance with this covenant as our Leverage Ratio, computed in accordance with the terms of the facility, was 2.4 times.
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| Uncommitted credit lines [Member] |
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| Credit Facilities [Abstract] |
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| Credit Facilities, maximum borrowing capacity |
919.1
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$ 919.1
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| Commercial Paper [Member] |
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| Credit Facilities [Abstract] |
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| Credit Facilities, maximum borrowing capacity |
3,000.0
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3,000.0
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| Commercial paper, average amount outstanding |
34.0
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147.3
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| Commercial paper, maximum amount outstanding |
230.0
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$ 0.0
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632.6
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0.0
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| Credit Facilities, amount outstanding |
0.0
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0.0
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0.0
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0.0
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| Euro Commercial Paper [Member] |
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| Credit Facilities [Abstract] |
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| Credit Facilities, maximum borrowing capacity |
500.0
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500.0
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| Credit Facilities, amount outstanding |
0.0
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$ 0.0
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0.0
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$ 0.0
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| 3.600% Senior Notes due 2026 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 0.0
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$ 0.0
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1,400.0
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| Long-term debt, interest rate |
3.60%
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3.60%
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3.60%
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3.60%
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| Repayment of debt |
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$ 1,400.0
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| €500 million 0.800% Senior Notes due 2027 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 569.2
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$ 569.2
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€ 500.0
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588.7
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| Long-term debt, interest rate |
0.80%
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0.80%
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0.80%
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0.80%
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| 4.650% Senior Notes (Exchange/IPG) due 2028 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 500.0
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$ 500.0
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500.0
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| Long-term debt, interest rate |
4.65%
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4.65%
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4.65%
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4.65%
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| 4.200% Senior Notes due 2029 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 400.0
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$ 400.0
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0.0
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| Long-term debt, interest rate |
4.20%
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4.20%
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4.20%
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4.20%
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| 2.450% Senior Notes due 2030 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 600.0
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$ 600.0
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600.0
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| Long-term debt, interest rate |
2.45%
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2.45%
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2.45%
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2.45%
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| 4.200% Senior Notes due 2030 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 600.0
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$ 600.0
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600.0
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| Long-term debt, interest rate |
4.20%
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4.20%
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4.20%
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4.20%
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| 4.750% Senior Notes (Exchange/IPG) due 2030 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 650.0
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$ 650.0
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650.0
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| Long-term debt, interest rate |
4.75%
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4.75%
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4.75%
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4.75%
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| €500 million 1.400% Senior Notes due 2031 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 569.2
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$ 569.2
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€ 500.0
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588.7
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| Long-term debt, interest rate |
1.40%
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1.40%
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1.40%
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1.40%
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| 2.400% Senior Notes (Exchange/IPG) due 2031 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 500.0
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$ 500.0
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500.0
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| Long-term debt, interest rate |
2.40%
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2.40%
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2.40%
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2.40%
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| 2.600% Senior Notes due 2031 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 800.0
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$ 800.0
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800.0
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| Long-term debt, interest rate |
2.60%
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2.60%
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2.60%
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2.60%
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| €600 million 3.700% Senior Notes due 2032 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 683.0
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$ 683.0
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€ 600.0
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706.4
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| Long-term debt, interest rate |
3.70%
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3.70%
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3.70%
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3.70%
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| £325 million 2.250% Senior Notes due 2033 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 429.0
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$ 429.0
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£ 325.0
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439.1
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| Long-term debt, interest rate |
2.25%
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2.25%
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2.25%
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2.25%
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| 5.000% Senior Notes due 2033 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 700.0
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$ 700.0
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0.0
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| Long-term debt, interest rate |
5.00%
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5.00%
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5.00%
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5.00%
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| 5.375% Senior Notes (Exchange/IPG) due 2033 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 300.0
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$ 300.0
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300.0
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| Long-term debt, interest rate |
5.375%
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5.375%
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5.375%
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5.375%
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| €600 million 3.850% Senior Notes due 2034 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 683.0
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$ 683.0
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€ 600.0
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0.0
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| Long-term debt, interest rate |
3.85%
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3.85%
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3.85%
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3.85%
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| 5.300% Senior Notes due 2034 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 600.0
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$ 600.0
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600.0
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| Long-term debt, interest rate |
5.30%
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5.30%
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5.30%
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5.30%
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| 5.300% Senior Notes due 2036 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 600.0
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$ 600.0
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0.0
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| Long-term debt, interest rate |
5.30%
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5.30%
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5.30%
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5.30%
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| 3.375% Senior Notes (Exchange/IPG) due 2041 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 500.0
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$ 500.0
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|
500.0
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| Long-term debt, interest rate |
3.375%
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3.375%
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3.375%
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3.375%
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| 5.400% Senior Notes (Exchange/IPG) due 2048 |
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| Long-Term Debt [Abstract] |
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| Long-Term Debt, Gross |
$ 500.0
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$ 500.0
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$ 500.0
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| Long-term debt, interest rate |
5.40%
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5.40%
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5.40%
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5.40%
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