Restructuring Charges - Additional Information (Detail) $ in Millions	12 Months Ended
Jun. 30, 2017 USD ($) Position	Jun. 30, 2016 USD ($)
2016 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated \| Position	4,700
Restructuring charges		$ 501
Completion date	Jun. 30, 2017
2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Completion date	Jun. 30, 2018
2017 Restructuring \| Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 306

Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format.

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- Definition

The number of positions eliminated during the period as a result of restructuring activities.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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