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Financial Instruments and Hedging Activities (Derivatives Pretax Amounts Affecting Income and Other Comprehensive Income) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	$ 54.8	$ 298.4
Gain (loss) reclassified into income from AOCI	15.4	91.4
Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	222.1	1,954.1
Gain (loss) reclassified into income from AOCI
Derivative instruments, gain (loss) recognized in income, net	18.4	6.6
Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	11.3	(34.5)
Foreign Exchange [Member] | Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	32.8	214.5
Gain (loss) reclassified into income from AOCI	14.9	94.4
Foreign Exchange [Member] | Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	6.7	15.9
Interest Rate Contract [Member] | Derivatives in Cash Flow Hedging Relationships
Cash flow hedges
Gain (loss) recognized in AOCI	22.0	83.9
Gain (loss) reclassified into income from AOCI	0.5	(3.0)
Other Foreign Currency Denominated Debt [Member] | Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	157.2	1,917.0
Gain (loss) reclassified into income from AOCI
Foreign Exchange Forward [Member] | Net Investment Hedging Relationships
Net investment hedges
Gain (loss) recognized in AOCI	64.9	37.1
Cross Currency Interest Rate Contract [Member] | Net Investment Hedging Relationships
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	18.4	6.6
Equity [Member] | Derivatives Not Designated as Hedging Instruments
Net investment hedges
Derivative instruments, gain (loss) recognized in income, net	$ 4.6	$ (50.4)

X

- Definition

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

+ References

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-Publisher FASB
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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