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Share-Based Compensation (Narrative) (Detail) shares in Millions	Mar. 31, 2023 shares
Incentive Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock that will be made available for sale, in shares	4.3
Amended Incentive Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock that will be made available for sale, in shares	6.5

X

- Definition

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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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