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Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Apr. 30, 2021
Supplemental Financial Information [Abstract]
Unrecognized tax benefits (inclusive of interest and penalties)	$ 275.0	$ 303.4
Liability, Defined Benefit Plan, Noncurrent	159.8	204.0	$ 186.1
Other Accrued Liabilities, Noncurrent	80.8	51.0
Other Liabilities, Noncurrent	$ 515.6	$ 558.4	$ 565.4

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Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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