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- Definition

Amount of debt and lease obligation, classified as current.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Debt and Credit Facilities (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Feb. 28, 2023	Dec. 31, 2022
Proceeds from long-term debt	$ 699.1	$ 0.0
Long-term debt excluding current maturities	4,476.3			$ 3,788.3
Short-term borrowings and current maturities of long-term debt	348.3			1,048.0
Repayments of Long-term Debt	708.8	$ 7.5
Debt Instrument, Fair Value Disclosure	4,500.0			4,600.0
Commercial Paper [Member]
Short-term borrowings and current maturities of long-term debt	0.0			0.0
Debentures With Put Feature [Member]
Short-term borrowings and current maturities of long-term debt	340.8			340.8
Debentures with put option available to be exercised			$ 37.2
Three Point Five Percent Senior notes Due Two Thousand Twenty Six [Member]
Long-term debt excluding current maturities	$ 398.7			$ 398.4
Debt Instrument, Interest Rate, Stated Percentage	3.50%			3.50%
Three Point Eight Percent Senior Notes Due Two Thousand Twenty Nine [Member]
Long-term debt excluding current maturities	$ 746.3			$ 745.8
Debt Instrument, Interest Rate, Stated Percentage	3.80%			3.80%
Four Point Five Percent Senior Notes Due Two Thousand Forty Nine [Member]
Long-term debt excluding current maturities	$ 346.1			$ 346.0
Debt Instrument, Interest Rate, Stated Percentage	4.50%			4.50%
5.75% Senior notes due 2043 [Member]
Long-term debt excluding current maturities	$ 495.4			$ 495.2
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
Three Point Five Five Percent Senior Notes due 2024 [Member]
Long-term debt excluding current maturities	$ 499.2			$ 498.7
Debt Instrument, Interest Rate, Stated Percentage	3.55%			3.55%
Four Point Six Five Percent Senior Notes due Twenty Forty Four [Member]
Long-term debt excluding current maturities	$ 296.5			$ 296.4
Debt Instrument, Interest Rate, Stated Percentage	4.65%			4.65%
Commercial Paper [Member]
Line of credit facility, amount outstanding	$ 2,000.0
Revolving Credit Facility [Member]
Line of Credit Facility, Remaining Borrowing Capacity	2,000.0			$ 2,000.0
2026 Revolving Credit Facility
Line of credit facility, amount outstanding	1,000.0
2027 Revolving Credit Facility
Line of credit facility, amount outstanding	$ 1,000.0