CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Statement of Cash Flows [Abstract]
Cash, cash equivalents, and restricted cash and cash equivalents, beginning balances	$ 29,943	$ 30,737	$ 24,977
Operating activities:
Net income	112,010	93,736	96,995
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	11,698	11,445	11,519
Share-based compensation expense	12,863	11,688	10,833
Other	(89)	(2,266)	(2,227)
Changes in operating assets and liabilities:
Accounts receivable, net	(6,682)	(3,788)	(1,688)
Vendor non-trade receivables	(347)	(1,356)	1,271
Inventories	1,400	(1,046)	(1,618)
Other current and non-current assets	(9,197)	(11,731)	(5,684)
Accounts payable	902	6,020	(1,889)
Other current and non-current liabilities	(11,076)	15,552	3,031
Cash generated by operating activities	111,482	118,254	110,543
Investing activities:
Purchases of marketable securities	(24,407)	(48,656)	(29,513)
Proceeds from maturities of marketable securities	40,907	51,211	39,686
Proceeds from sales of marketable securities	12,890	11,135	5,828
Payments for acquisition of property, plant and equipment	(12,715)	(9,447)	(10,959)
Other	(1,480)	(1,308)	(1,337)
Cash generated by investing activities	15,195	2,935	3,705
Financing activities:
Payments for taxes related to net share settlement of equity awards	(5,960)	(5,441)	(5,431)
Payments for dividends and dividend equivalents	(15,421)	(15,234)	(15,025)
Repurchases of common stock	(90,711)	(94,949)	(77,550)
Proceeds from issuance of term debt, net	4,481	0	5,228
Repayments of term debt	(10,932)	(9,958)	(11,151)
Proceeds from/(Repayments of) commercial paper, net	(2,032)	3,960	(3,978)
Other	(111)	(361)	(581)
Cash used in financing activities	(120,686)	(121,983)	(108,488)
Increase/(Decrease) in cash, cash equivalents, and restricted cash and cash equivalents	5,991	(794)	5,760
Cash, cash equivalents, and restricted cash and cash equivalents, ending balances	35,934	29,943	30,737
Supplemental cash flow disclosure:
Cash paid for income taxes, net	$ 43,369	$ 26,102	$ 18,679