Equity-Based Compensation - Narrative (Detail) - USD ($) shares in Millions, $ in Millions	6 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total estimated compensation cost, not yet recognized, related to non-vested equity awards	$ 125
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options outstanding (in shares)	5.0	5.0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock units vested (in shares)	1.9	1.5
Stock units granted (in shares)	2.0	2.0
Vesting period	3 years
Performance-Based Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
Stock options granted (in shares)	4.0	4.0
Stock options expiration period	7 years
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average future period unrecognized compensation cost related to equity based awards is expected to be recognized	1 year
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average future period unrecognized compensation cost related to equity based awards is expected to be recognized	2 years

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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