Equity-Based Compensation - Narrative (Detail) - USD ($) shares in Millions, $ in Millions	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total estimated compensation cost, not yet recognized, related to non-vested equity awards	$ 135
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock units vested (in shares)	1.5	1.9
Stock units granted (in shares)	1.7	2.0
Vesting period (as year)	3 years
Performance-Based Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (as year)	3 years
Stock options exercised (in shares)	3.0	0.5
Stock options granted (in shares)	3.4	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	2 years
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	3 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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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

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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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