Share-Based Compensation (Schedule of Additional Data Related to Stock Option Activity) (Details) (Stock Options, USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
Mar. 31, 2015	Jun. 30, 2014
Stock Options
Aggregate intrinsic value of outstanding options at period end, Stock Options	$ 357	$ 282
Aggregate intrinsic value of exercisable options at period end, Stock Options	$ 245	$ 185
Weighted-average remaining contractual life of outstanding options	6 years	6 years
Weighted-average remaining contractual life of exercisable options	5 years	4 years

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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