Equity-Based Compensation (Narrative) (Details) shares in Millions, $ in Millions	3 Months Ended
Sep. 30, 2020 USD ($) Plan shares	Sep. 30, 2019 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of equity plans \| Plan	1
Total estimated compensation cost, not yet recognized, related to non-vested equity awards \| $	$ 190
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options outstanding	7.0	4.0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock units granted	1.9
Stock units vested	3.1
Vesting period	3 years
Performance-Based Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
Stock units granted	5.0
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

Number of equity plan.

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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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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- Definition

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

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- 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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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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- Definition

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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