Fair Value, Investments, Entities That Calculate Net Asset Value Per Share, Unfunded Commitments, Payment Period

No definition available.

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This item represents the percentage of nonperforming assets that the underlying assets in the security represent and which were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are not other-than-temporarily impaired.

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Average period remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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Nominal or face amount used to calculate payments on the derivative liability.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Nominal or face amount used to calculate payment on derivative.

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- Definition

Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).

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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition.

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Amount, after tax, of cumulative translation adjustment attributable to gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

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Financial Instruments (Narrative) (Details) € in Millions, ¥ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 CNY (¥)
Derivative [Line Items]
Net investment gains on equity securities	$ (410.7)	$ 176.9	$ 1,442.2
Unfunded commitments to invest in venture capital funds	$ 957.0
Unfunded commitments to invest in venture capital funds, anticipated payment period	10 years
Percentage of nonperforming assets	99.00%
Accounts receivable derecognized	$ 422.1	550.5
Average remaining maturity of foreign currency derivatives	12 months
Maximum remaining maturity of foreign currency derivatives	180 days
Long-term debt	$ 14,815.3	16,741.2
Foreign currency-denominated notes, designated as hedge	$ 5,450.0	5,790.0
Variable rate	10.00%			10.00%	10.00%
Losses expected to be reclassified in the next 12 months	$ 16.8
Swap U.S Dollars To Euro
Derivative [Line Items]
Derivative liability, notional amount	1,020.0
Swap Swiss Francs to USD
Derivative [Line Items]
Derivative liability, notional amount	1,000.0
Sell Euro
Derivative [Line Items]
Derivative asset, notional amount \| €				€ 325.0
Sell Chinese Yuan
Derivative [Line Items]
Derivative asset, notional amount \| ¥					¥ 1,820
Forward-starting interest rate swaps \| Cash flow hedges \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	1,850.0
Foreign Currency Denominated Debt
Derivative [Line Items]
Long-term debt	$ 6,830.0	$ 7,900.0