CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jun. 25, 2016	Jun. 27, 2015
Statement of Cash Flows [Abstract]
Cash and cash equivalents, beginning of the period	$ 21,120	$ 13,844
Operating activities:
Net income	36,673	42,270
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	7,957	8,138
Share-based compensation expense	3,180	2,671
Deferred income tax expense	5,191	2,820
Changes in operating assets and liabilities:
Accounts receivable, net	5,135	7,090
Inventories	518	69
Vendor non-trade receivables	6,166	222
Other current and non-current assets	1,143	2,286
Accounts payable	(9,622)	(3,263)
Deferred revenue	(1,148)	1,040
Other current and non-current liabilities	(5,495)	4,448
Cash generated by operating activities	49,698	67,791
Investing activities:
Purchases of marketable securities	(112,068)	(137,524)
Proceeds from maturities of marketable securities	14,915	9,916
Proceeds from sales of marketable securities	69,926	80,635
Payments made in connection with business acquisitions, net	(146)	(230)
Payments for acquisition of property, plant and equipment	(8,757)	(7,629)
Payments for acquisition of intangible assets	(753)	(201)
Payments for strategic investments	(1,376)	0
Other	(321)	134
Cash used in investing activities	(38,580)	(54,899)
Financing activities:
Proceeds from issuance of common stock	247	324
Excess tax benefits from equity awards	391	684
Payments for taxes related to net share settlement of equity awards	(1,361)	(1,332)
Payments for dividends and dividend equivalents	(9,058)	(8,597)
Repurchases of common stock	(23,696)	(22,000)
Proceeds from issuance of term debt, net	17,984	21,312
Repayments of term debt	(2,500)	0
Change in commercial paper, net	3,992	(1,808)
Cash used in financing activities	(14,001)	(11,417)
Increase/(decrease) in cash and cash equivalents	(2,883)	1,475
Cash and cash equivalents, end of the period	18,237	15,319
Supplemental cash flow disclosure:
Cash paid for income taxes, net	8,990	10,604
Cash paid for interest	$ 892	$ 427