Employee Stock and Savings Plans - Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Compensation Related Costs Disclosure [Line Items]
Shares authorized for future grant	346
Percentage of market value at which employees are able to purchase shares of common stock	90.00%
Shares reserved for future issuance through the employee stock purchase plan	173
Percentage of salary participating U.S. employees may contribute to the savings plan	75.00%	75.00%	75.00%
Matching contributions for all employee savings plans	$ 420,000,000	$ 393,000,000	$ 373,000,000
First 6% of Participant Contributions
Compensation Related Costs Disclosure [Line Items]
Company contribution amount for each dollar a participant contributes to the savings plan	50.00%	50.00%	50.00%
Upper Limit
Compensation Related Costs Disclosure [Line Items]
Percentage of employee's earnings the company may contribute to the savings plan	3.00%	3.00%	3.00%
Upper Limit \| IRS Compensation Limit
Compensation Related Costs Disclosure [Line Items]
Percentage of employee's earnings the company may contribute to the savings plan	3.00%	3.00%	3.00%
Executive Incentive Plan
Compensation Related Costs Disclosure [Line Items]
Award vest period	4 years
Percentage of operating income for Executive Officer Incentive Plan	0.44%	0.35%	0.30%
Stock Awards
Compensation Related Costs Disclosure [Line Items]
Unrecognized compensation costs	5,200,000,000
Unrecognized compensation costs are expected to be recognized over a weighted average period (years)	3 years
Total vest-date fair value of awards vested	$ 3,200,000,000	$ 2,800,000,000	$ 2,400,000,000
Stock Awards \| Lower Limit
Compensation Related Costs Disclosure [Line Items]
Award vest period	4 years
Stock Awards \| Upper Limit
Compensation Related Costs Disclosure [Line Items]
Award vest period	5 years
Employee Stock
Compensation Related Costs Disclosure [Line Items]
Percentage of market value at which employees are able to purchase shares of common stock	90.00%	90.00%	90.00%
Maximum percentage of gross compensation at which employees may purchase shares	15.00%	15.00%	15.00%

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The percentage of operating income available as a pool to be granted to employees through the Executive Officer Incentive Plan.

+ References

No definition available.

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- Definition

The maximum number of shares originally approved, net of any subsequent amendments and adjustments, for employee purchases under the employee stock purchase plan.

+ References

No definition available.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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Percentage employer matches of the employee's percentage contribution matched.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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-Publisher FASB

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

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