Summary of Cash Flows Associated With Issuance and Maturities of Commercial Paper (Detail) - USD ($) $ in Millions	9 Months Ended
Jun. 27, 2015	Jun. 28, 2014
Maturities less than 90 days:
Proceeds from (repayments of) commercial paper, net	$ 579
Maturities greater than 90 days:
Proceeds from commercial paper	2,601
Repayments of commercial paper	(4,988)
Maturities greater than 90 days, net	(2,387)
Total change in commercial paper, net	$ (1,808)	$ 2,010

The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.

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-Name Accounting Standards Codification

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The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment of more than three months but less than one year or one operating cycle (if the normal cycle is more than one year).

+ References

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The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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The cash inflow from a borrowing having initial term of repayment of more than three months but less than one year or one operating cycle (if the normal cycle is more than one year).

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