CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 26, 2020
Statement of Cash Flows [Abstract]
Cash, cash equivalents and restricted cash, beginning balances	$ 35,929	$ 39,789	$ 50,224
Operating activities:
Net income	99,803	94,680	57,411
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	11,104	11,284	11,056
Share-based compensation expense	9,038	7,906	6,829
Deferred income tax expense/(benefit)	895	(4,774)	(215)
Other	111	(147)	(97)
Changes in operating assets and liabilities:
Accounts receivable, net	(1,823)	(10,125)	6,917
Inventories	1,484	(2,642)	(127)
Vendor non-trade receivables	(7,520)	(3,903)	1,553
Other current and non-current assets	(6,499)	(8,042)	(9,588)
Accounts payable	9,448	12,326	(4,062)
Deferred revenue	478	1,676	2,081
Other current and non-current liabilities	5,632	5,799	8,916
Cash generated by operating activities	122,151	104,038	80,674
Investing activities:
Purchases of marketable securities	(76,923)	(109,558)	(114,938)
Proceeds from maturities of marketable securities	29,917	59,023	69,918
Proceeds from sales of marketable securities	37,446	47,460	50,473
Payments for acquisition of property, plant and equipment	(10,708)	(11,085)	(7,309)
Payments made in connection with business acquisitions, net	(306)	(33)	(1,524)
Other	(1,780)	(352)	(909)
Cash used in investing activities	(22,354)	(14,545)	(4,289)
Financing activities:
Payments for taxes related to net share settlement of equity awards	(6,223)	(6,556)	(3,634)
Payments for dividends and dividend equivalents	(14,841)	(14,467)	(14,081)
Repurchases of common stock	(89,402)	(85,971)	(72,358)
Proceeds from issuance of term debt, net	5,465	20,393	16,091
Repayments of term debt	(9,543)	(8,750)	(12,629)
Proceeds from/(Repayments of) commercial paper, net	3,955	1,022	(963)
Other	(160)	976	754
Cash used in financing activities	(110,749)	(93,353)	(86,820)
Decrease in cash, cash equivalents and restricted cash	(10,952)	(3,860)	(10,435)
Cash, cash equivalents and restricted cash, ending balances	24,977	35,929	39,789
Supplemental cash flow disclosure:
Cash paid for income taxes, net	19,573	25,385	9,501
Cash paid for interest	$ 2,865	$ 2,687	$ 3,002