Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Weighted average interest rate of short-term debt outstanding.

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Debt - Additional Information (Detail) (USD $)	12 Months Ended
Debt - Additional Information (Detail) (USD $)	Sep. 27, 2014	Sep. 28, 2013	Jun. 28, 2014	Jun. 29, 2013
Debt Instrument [Line Items]
Commercial paper	$ 6,308,000,000us-gaap_CommercialPaper	$ 0us-gaap_CommercialPaper
Commercial paper, weighted-average interest rate	0.12%
Debt instrument aggregate principal amount	29,000,000,000us-gaap_DebtInstrumentCarryingAmount	17,000,000,000us-gaap_DebtInstrumentCarryingAmount
Interest expense	381,000,000us-gaap_InterestExpenseDebt	136,000,000us-gaap_InterestExpenseDebt
2014 Debt Issuance
Debt Instrument [Line Items]
Debt instrument aggregate principal amount			12,000,000,000
2013 Debt Issuance
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				17,000,000,000
Interest Rate Swap
Debt Instrument [Line Items]
Notional Amount			9,000,000,000	3,000,000,000
Maximum
Debt Instrument [Line Items]
Commercial paper, maturity period	9 months
Level 2
Debt Instrument [Line Items]
Debt instrument fair value	$ 28,500,000,000	$ 15,900,000,000