Restricted Stock Units Activity and Related Information (Detail) (Restricted Stock Units, USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Restricted Stock Units
Number of Restricted Stock Units
Beginning Balance	93,284	105,037	101,122
Restricted stock units granted	59,269	39,415	54,597
Restricted stock units vested	(43,111)	(42,291)	(44,137)
Restricted stock units cancelled	(5,620)	(8,877)	(6,545)
Ending Balance	103,822	93,284	105,037
Weighted-Average Grant Date Fair Value Per Share
Beginning Balance	$ 62.24	$ 49.27	$ 33.07
Restricted stock units granted	$ 74.54	$ 78.23	$ 61.62
Restricted stock units vested	$ 57.29	$ 45.96	$ 29.32
Restricted stock units cancelled	$ 68.47	$ 57.31	$ 36.57
Ending Balance	$ 70.98	$ 62.24	$ 49.27
Aggregate Intrinsic Value
Aggregate intrinsic value of Restricted stock units	$ 10,460

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Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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 (c)(1)(iv)(3)

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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