Fair Value Disclosure Fair Value Disclosure - Impact of Cash Flow and Hedge Accounting Relationships (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest (expense) income, net	$ (151.0)	$ (94.9)
Other (expense) income	6.2	(2.7)
Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Other (expense) income	3.9	(3.3)
Interest Rate Contract [Member] | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense, Operating and Nonoperating	(0.7)	(0.3)
Interest Rate Contract [Member] | Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Amount of Hedged Item	(0.1)	(1.4)
Interest Rate Contract [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	$ 0.1	$ 1.4