Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 28, 2013 Vendor Customer	Sep. 29, 2012 Vendor Customer
Financial Instruments [Line Items]
Maturities of long-term marketable securities, minimum	1 year
Maturities of long-term marketable securities, maximum	5 years
Range of time hedged in cash flow hedge	The Company hedges a portion of its forecasted foreign currency exposure associated with revenue and inventory purchases, typically for up to 12 months.
Net deferred gain (loss) associated with cash flow hedges	$ (175)	$ (240)
Hedged transactions, expected occurrence	12 months
Hedged interest rate transactions, expected occurrence	5 years
Cash collateral posted, derivative instruments	$ 164	$ 278
Number of customers representing a significant portion of trade receivables	2	2
Customers representing a significant portion of trade receivables, description	As of September 28, 2013, the Company had two customers that represented 10% or more of total trade receivables, one of which accounted for 13% and the other 10%.	As of September 29, 2012, the Company had two customers that represented 10% or more of total trade receivables, one of which accounted for 14% and the other 10%.
Number of vendors representing a significant portion of non-trade receivables	3	3
Customer One
Financial Instruments [Line Items]
Trade receivables from customer, percentage of total trade receivables	13.00%	14.00%
Customer Two
Financial Instruments [Line Items]
Trade receivables from customer, percentage of total trade receivables	10.00%	10.00%
Total Cellular Network Carriers
Financial Instruments [Line Items]
Trade receivables from customer, percentage of total trade receivables	68.00%	66.00%
Vendor One
Financial Instruments [Line Items]
Vendor non-trade receivables, as percentage of total non-trade receivable	47.00%	45.00%
Vendor Two
Financial Instruments [Line Items]
Vendor non-trade receivables, as percentage of total non-trade receivable	21.00%	21.00%
Vendor Three
Financial Instruments [Line Items]
Vendor non-trade receivables, as percentage of total non-trade receivable	15.00%	12.00%

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The maximum maturity period (in years) for the Company's long term marketable securities.

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The minimum maturity period (in years) for the Company's long term marketable securities.

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Number Of Customers With Significant Accounts Receivable Balance

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The number of vendors representing a significant portion of non-trade receivables.

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- Definition

Percentage of Total Non Trade Receivables

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Percentage of Total Trade Receivables

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Range of time over which the entity is hedging its exposure to variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest or existing financial instruments.

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References

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

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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