Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Cash and cash equivalents, beginning of the period	$ 14,259	$ 10,746
Operating activities:
Net income	13,072	13,078
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	2,144	1,588
Share-based compensation expense	681	545
Deferred income tax expense	1,253	1,179
Changes in operating assets and liabilities:
Accounts receivable, net	(1,098)	(668)
Inventories	(358)	(664)
Vendor non-trade receivables	(3,459)	(2,174)
Other current and non-current assets	(319)	413
Accounts payable	8,191	6,145
Deferred revenue	1,368	1,611
Other current and non-current liabilities	1,195	2,373
Cash generated by operating activities	22,670	23,426
Investing activities:
Purchases of marketable securities	(48,397)	(37,192)
Proceeds from maturities of marketable securities	5,556	3,460
Proceeds from sales of marketable securities	30,302	23,002
Payments made in connection with business acquisitions, net	(525)	(284)
Payments for acquisition of property, plant and equipment	(1,985)	(2,317)
Payments for acquisition of intangible assets	(59)	(138)
Other	5	(52)
Cash used in investing activities	(15,103)	(13,521)
Financing activities:
Proceeds from issuance of common stock	134	76
Excess tax benefits from equity awards	280	404
Taxes paid related to net share settlement of equity awards	(365)	(534)
Dividends and dividend equivalents paid	(2,769)	(2,493)
Repurchase of common stock	(5,029)	(1,950)
Cash used in financing activities	(7,749)	(4,497)
Increase/(decrease) in cash and cash equivalents	(182)	5,408
Cash and cash equivalents, end of the period	14,077	16,154
Supplemental cash flow disclosure:
Cash paid for income taxes, net	3,387	1,890
Cash paid for interest	$ 161	$ 0