Financial Instruments and Hedging Activities (Derivatives Pretax Amounts Affecting Income and Other Comprehensive Income) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	$ (205.0)	$ 53.0
Gain (loss) reclassified into income from AOCI	7.0	2.0
Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	(1,933.0)	508.0
Gain (loss) reclassified into income from AOCI
Derivative instruments, gain (loss) recognized in income, net	31.0	18.0
Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	(1.0)	(33.0)
Foreign Exchange [Member] \| Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	(192.0)	49.0
Gain (loss) reclassified into income from AOCI	7.0	1.0
Foreign Exchange [Member] \| Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	(6.0)	(6.0)
Interest Rate Contract [Member] \| Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	(13.0)	4.0
Gain (loss) reclassified into income from AOCI	0.0	1.0
Other Foreign Currency Denominated Debt [Member] \| Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	(1,660.0)	421.0
Gain (loss) reclassified into income from AOCI
Foreign Exchange Forward [Member] \| Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	(273.0)	87.0
Cross Currency Interest Rate Contract [Member] \| Net Investment Hedging Relationships
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	31.0	18.0
Equity [Member] \| Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	$ 5.0	$ (27.0)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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