Increase (reduction) in interest expense from interest rate swaps

No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount, after accumulated amortization, of debt discount (premium).

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of interest expense classified as other.

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No definition available.

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Identification of whether the entity has been in compliance with any credit facility debt covenants during the period.

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Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Fair value of the amount outstanding under the credit facility.

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

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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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 (Details) € in Millions, £ in Millions, $ in Millions	12 Months Ended
Debt (Details) € in Millions, £ in Millions, $ in Millions	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 GBP (£)
Short-Term Borrowings [Abstract]
Short-term debt	$ 16.9	$ 9.6
Short-term borrowings, weighted average interest rate	10.30%	1.60%		10.30%	10.30%
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 5,611.8	$ 5,727.0
Unamortized discount	(9.0)	(10.8)
Unamortized debt issuance costs	(26.2)	(31.8)
Unamortized deferred gain from settlement of interest rate swaps	0.6	1.3
Long-Term Debt	5,577.2	5,685.7
Contractual Maturities of Long-Term Debt [Abstract]
Contractual maturities of long-term debt, 2023	0.0
Contractual maturities of long-term debt, 2024	750.0
Contractual maturities of long-term debt, 2025	0.0
Contractual maturities of long-term debt, 2026	1,400.0
Contractual maturities of long-term debt, 2027	534.9
Contractual maturities of long-term debt, Thereafter	2,926.9
Contractual maturities of long-term debt	5,611.8
Components of Interest Expense [Abstract]
Interest expense, Long-term debt	164.7	167.3	$ 178.6
Interest expense, Early redemption payments and other fees	4.6	43.4	14.1
Interest expense, Pension and other interest	35.8	35.3	38.0
Interest expense, Interest rate and cross currency swaps	3.5	(9.6)	(8.9)
Interest expense, total	208.6	236.4	$ 221.8
Credit Facility [Member]
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity	$ 2,500.0
Credit Facilities, expiration date	Feb. 14, 2025
Credit Facilities, amount outstanding	$ 0.0
Credit Facilities, covenant terms	The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio 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.
Credit Facilities, covenant compliance	At December 31, 2022, we were in compliance with this covenant as our Leverage Ratio was 2.4 times.
Uncommitted credit lines [Member]
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity	$ 582.9
Credit Facilities, amount outstanding	0.0
Commercial Paper [Member]
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity	2,000.0
Credit Facilities, amount outstanding	0.0
Euro Commercial Paper
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity	500.0
Credit Facilities, amount outstanding	0.0
3.65% Senior Notes due 2024
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 750.0	750.0
Long-term debt, interest rate	3.65%			3.65%	3.65%
3.60% Senior Notes due 2026
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 1,400.0	1,400.0
Long-term debt, interest rate	3.60%			3.60%	3.60%
€500 Million 0.80% Senior Notes due 2027
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 534.9	568.6		€ 500.0
Long-term debt, interest rate	0.80%			0.80%	0.80%
2.45% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 600.0	600.0
Long-term debt, interest rate	2.45%			2.45%	2.45%
4.20% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 600.0	600.0
Long-term debt, interest rate	4.20%			4.20%	4.20%
€500 Million 1.40% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 534.9	568.6		€ 500.0
Long-term debt, interest rate	1.40%			1.40%	1.40%
2.60% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 800.0	800.0
Long-term debt, interest rate	2.60%			2.60%	2.60%
£325 Million 2.25% Senior Notes due 2033
Long-Term Debt [Abstract]
Long-term debt, carrying amount	$ 392.0	$ 439.8			£ 325.0
Long-term debt, interest rate	2.25%			2.25%	2.25%