Share-Based Compensation (Schedule of All Transactions Related to Restricted Share Units Under the Plans) (Details) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
Mar. 31, 2020 USD ($) $ / shares shares
Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $	$ 93
Restricted Share Units
Nonvested at beginning of period (in shares) \| shares	2
Granted (in shares) \| shares	2
Vested (in shares) \| shares	(1)
Canceled and forfeited (in shares) \| shares	0
Nonvested at end of period (in shares) \| shares	3
Weighted-Average Grant Date Fair Value per Share
Nonvested at beginning of period (in usd per share) \| $ / shares	$ 51.65
Granted (in usd per share) \| $ / shares	42.58
Vested (in usd per share) \| $ / shares	60.13
Canceled and forfeited (in usd per share) \| $ / shares
Nonvested at end of period (in usd per share) \| $ / shares	$ 45.88
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	1 year
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $	$ 1

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
-Paragraph 2
-Subparagraph (i)
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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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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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 non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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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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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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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