Amount of debt and lease obligation, classified as current.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Cash received from sale of investments in debt and equity securities, classified as operating activities, during the period; includes trading securities and any other investments classified as operating.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Debt (Summary of Long-Term Debt) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Debt Instrument [Line Items]
Unamortized debt issuance expense	$ (37.1)	$ (42.3)
Current portion of long-term debt	755.0	1,860.3
Long-term Debt, Excluding Current Maturities	18,724.5	19,717.1
Proceeds from sale of terminated interest rate swaps	45.0
Other Current Portion of Long-term Debt
Debt Instrument [Line Items]
Current portion of long-term debt	$ 0.8	0.9
2020 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	0.816%
Current portion of long-term debt	$ 0.0	856.6
Long-term debt	$ 276.4	347.6
2020 Senior Notes (3.750% coupon)
Debt Instrument [Line Items]
Stated percentage rate	1.125%
Current portion of long-term debt	$ 0.0	1,002.9
2023 Senior Notes (3.125% coupon)
Debt Instrument [Line Items]
Stated percentage rate	3.125%
Current portion of long-term debt	$ 754.5	0.0
Other
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 1.7	1.9
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 \| 2023 Senior Notes (3.125% coupon)
Debt Instrument [Line Items]
Stated percentage rate	3.125%
Long-term Debt, Excluding Current Maturities	$ 0.0	766.1
Senior Notes \| 2023 Senior Notes (4.200% coupon)
Debt Instrument [Line Items]
Stated percentage rate	4.20%
Long-term Debt, Excluding Current Maturities	$ 499.7	499.6
Senior Notes \| 2024 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	2.25%
Long-term Debt, Excluding Current Maturities	$ 979.4	1,135.8
Senior Notes \| 2.125% Euro Senior Notes due 2025
Debt Instrument [Line Items]
Stated percentage rate	2.125%
Long-term Debt, Excluding Current Maturities	$ 489.6	567.8
Senior Notes \| 2026 Senior Notes (3.950% coupon)
Debt Instrument [Line Items]
Stated percentage rate	3.95%
Long-term Debt, Excluding Current Maturities	$ 2,242.8	2,241.4
Senior Notes \| 2028 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	3.125%
Long-term Debt, Excluding Current Maturities	$ 731.0	847.4
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, Excluding Current Maturities	$ 748.9	748.7
Senior Notes \| 2043 Senior Notes (5.400% coupon)
Debt Instrument [Line Items]
Stated percentage rate	5.40%
Long-term Debt, Excluding Current Maturities	$ 497.4	497.3
Senior Notes \| 2046 Senior Notes (5.250% coupon)
Debt Instrument [Line Items]
Stated percentage rate	5.25%
Long-term Debt, Excluding Current Maturities	$ 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
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 747.8	747.8
Senior Notes \| 2024 Euro Senior Notes, 1.023%
Debt Instrument [Line Items]
Long-term debt	$ 746.5	871.6
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	1.65%
Long-term debt	$ 760.5	763.4
Senior Notes \| 2027 Euro Senior Notes
Debt Instrument [Line Items]
Long-term debt	867.9	1,013.0
Senior Notes \| 2027 Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 776.7	780.8
Senior Notes \| 2030 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	2.70%
Long-term debt	$ 1,514.7	1,520.5
Senior Notes \| 2032 Euro Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	1.908%
Long-term debt	$ 1,326.6	1,546.6
Senior Notes \| 2040 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	3.85%
Long-term debt	$ 1,652.2	1,657.1
Senior Notes \| 2050 Senior Notes
Debt Instrument [Line Items]
Stated percentage rate	4.00%
Long-term debt	$ 2,201.9	2,205.1
Current Portion of Long-Term Debt
Debt Instrument [Line Items]
Unamortized debt issuance expense	(0.3)	$ (0.1)
Line of Credit [Member] \| Revolving Facility
Debt Instrument [Line Items]
Long-term Line of Credit	$ 700.0		$ 0.0