Schedule of Amortized Cost and Fair Value of Cash Equivalents and Short Term Investments and Restricted Cash and Investments with Contractual Maturities (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 24, 2012	Jun. 26, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Due in less than one year, Cost	$ 1,819,712	$ 1,606,390
Due in less than one year, Estimated Fair Value	1,820,089	1,606,925
Due in more than one year, Cost	965,587	487,103
Due in more than one year, Estimated Fair Value	968,088	489,675
Cost	2,785,299	2,093,493
Estimated Fair Value	$ 2,788,177	$ 2,096,600

Schedule of Amortized Cost and Fair Value of Cash Equivalents and Short Term Investments and Restricted Cash and Investments with Contractual Maturities (Detail) (USD $)
In Thousands, unless otherwise specified

Jun. 24, 2012

Jun. 26, 2011

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Due in less than one year, Cost

$ 1,819,712

$ 1,606,390

Due in less than one year, Estimated Fair Value

1,820,089

1,606,925

Due in more than one year, Cost

965,587

487,103

Due in more than one year, Estimated Fair Value

968,088

489,675

Cost

2,785,299

2,093,493

Estimated Fair Value

$ 2,788,177

$ 2,096,600

- Definition

Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References+ Details

- Definition

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References+ Details

- Definition

Amount of debt securities categorized neither as held-to-maturity nor trading.

+ References

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

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-Name FASB Staff Position (FSP)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details