CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 25, 2010
Cash and cash equivalents, beginning of the period	$ 9,815	$ 11,261
Operating activities:
Net income	13,064	6,004
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation, amortization and accretion	721	356
Share-based compensation expense	420	299
Deferred income tax expense	1,456	823
Changes in operating assets and liabilities:
Accounts receivable, net	(3,561)	(517)
Inventories	(460)	166
Vendor non-trade receivables	(1,206)	(433)
Other current and non-current assets	(962)	(558)
Accounts payable	4,314	2,346
Deferred revenue	1,296	634
Other current and non-current liabilities	2,472	653
Cash generated by operating activities	17,554	9,773
Investing activities:
Purchases of marketable securities	(40,175)	(19,575)
Proceeds from maturities of marketable securities	3,038	3,279
Proceeds from sales of marketable securities	21,472	6,853
Payments for acquisition of property, plant and equipment	(1,321)	(1,214)
Payments for acquisition of intangible assets	(108)	(49)
Other	(34)	(23)
Cash used in investing activities	(17,128)	(10,729)
Financing activities:
Proceeds from issuance of common stock	91	208
Excess tax benefits from equity awards	333	454
Taxes paid related to net share settlement of equity awards	(355)	(233)
Cash generated by financing activities	69	429
Increase/(decrease) in cash and cash equivalents	495	(527)
Cash and cash equivalents, end of the period	10,310	10,734
Supplemental cash flow disclosure:
Cash paid for income taxes, net	$ 1,474	$ 826