Borrowings (Schedule of Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Short-term commercial paper borrowings	$ 6,189.4	$ 1,498.0
Long-term notes	19,104.6	14,815.3
Other long-term debt	6.5	6.9
Unamortized debt issuance costs	(90.5)	(77.2)
Fair value adjustment on hedged long-term notes	15.3	(4.4)
Total debt	25,225.3	16,238.6
Less current portion	(6,904.5)	(1,501.1)
Long-term debt	$ 18,320.8	$ 14,737.5

Fair value adjustment to carrying value of long term debt to arrive at total fair value.

No definition available.

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of debt and lease obligation, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of long-term notes payable classified as other.

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- Definition

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.

+ References

No definition available.

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