CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Cash and cash equivalents, beginning of the period	$ 10,746	$ 9,815
Operating activities:
Net income	13,078	13,064
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	1,588	721
Share-based compensation expense	545	420
Deferred income tax expense	1,179	1,456
Changes in operating assets and liabilities:
Accounts receivable, net	(668)	(3,561)
Inventories	(664)	(460)
Vendor non-trade receivables	(2,174)	(1,206)
Other current and non-current assets	413	(962)
Accounts payable	6,145	4,314
Deferred revenue	1,611	1,296
Other current and non-current liabilities	2,373	2,472
Cash generated by operating activities	23,426	17,554
Investing activities:
Purchases of marketable securities	(37,192)	(40,175)
Proceeds from maturities of marketable securities	3,460	3,038
Proceeds from sales of marketable securities	23,002	21,472
Payments made in connection with business acquisitions, net	(284)	0
Payments for acquisition of property, plant and equipment	(2,317)	(1,321)
Payments for acquisition of intangible assets	(138)	(108)
Other	(52)	(34)
Cash used in investing activities	(13,521)	(17,128)
Financing activities:
Proceeds from issuance of common stock	76	91
Excess tax benefits from equity awards	404	333
Dividends and dividend equivalent rights paid	(2,493)	0
Repurchase of common stock	(1,950)	0
Taxes paid related to net share settlement of equity awards	(534)	(355)
Cash (used in)/generated by financing activities	(4,497)	69
Increase in cash and cash equivalents	5,408	495
Cash and cash equivalents, end of the period	16,154	10,310
Supplemental cash flow disclosure:
Cash paid for income taxes, net	$ 1,890	$ 1,474