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Share-Based Compensation Plans (TSR Performance-Based Shares Fair Value Assumptions) (Details) - Total Shareholder Return Performance-Based Shares - Performance share units	9 Months Ended
	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Volatility	35.90%
Risk-free interest rate	4.66%

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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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