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Fair Value Measurements (Summary Of Quantitative Information About Level 3 Fair Value Measurements) (Details) - Private Equity Investments [Member]	3 Months Ended
	Mar. 31, 2026
Fair Value Assets Measured on Recurring Basis [Line Items]
Valuation Technique	Market comparable companies
Minimum [Member]
Fair Value Assets Measured on Recurring Basis [Line Items]
EBITDA multiple	4.0
Maximum [Member]
Fair Value Assets Measured on Recurring Basis [Line Items]
EBITDA multiple	6.0
Weighted Average [Member]
Fair Value Assets Measured on Recurring Basis [Line Items]
EBITDA multiple	5.1	[1]
[1] * Unobservable inputs were weighted by the relative fair value of the instruments.

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Fair value, market comparable companies, valuation techniques.

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- Definition

Fair Value, Earnings before interest, taxes, depreciation, amortization (EBITDA) multiple.

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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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