The amount of employer contributions made to defined contribution plans during the fiscal year.

No definition available.

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- Definition

Number Of Funded Status Of Defined Benefit Pension Plans

+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

Percentage of contributions required of employer under collective bargaining arrangement to total contributions required under all collective bargaining arrangements for pension and other postretirement plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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- Definition

Amount of contributions made to multiemployer plan by employer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 5
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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Other Postretirement Benefits - Additional Information (Detail) $ in Millions	12 Months Ended
	Jun. 30, 2018 USD ($) plan	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Defined Contribution Plan Disclosure [Line Items]
Number of funded status of defined benefit pension plans \| plan	2
Employer contributions to defined contribution plans	$ 145	$ 137	$ 132
Unfunded obligation of plan	41	40
Multiemployer Pension Plans [Member]
Defined Contribution Plan Disclosure [Line Items]
Period contributions	$ 5	$ 5	$ 5
Minimum [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	5.00%
Minimum [Member] \| Plans in Red Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	5.00%
Minimum [Member] \| Plans in Yellow Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	65.00%
Minimum [Member] \| Plans in Green Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	5.00%
Maximum [Member] \| Plans in Red Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	65.00%
Maximum [Member] \| Plans in Yellow Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	80.00%
Maximum [Member] \| Plans in Green Zone [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of total contributions	80.00%