CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 27, 2025	Dec. 28, 2024
Statement of Cash Flows [Abstract]
Cash, cash equivalents, and restricted cash and cash equivalents, beginning balances	$ 35,934	$ 29,943
Operating activities:
Net income	42,097	36,330
Adjustments to reconcile net income to cash generated by operating activities:
Depreciation and amortization	3,214	3,080
Share-based compensation expense	3,594	3,286
Other	(528)	(2,009)
Changes in operating assets and liabilities:
Accounts receivable, net	(153)	3,597
Vendor non-trade receivables	2,781	3,166
Inventories	(211)	215
Other current and non-current assets	(10,250)	939
Accounts payable	848	(6,671)
Other current and non-current liabilities	12,533	(11,998)
Cash generated by operating activities	53,925	29,935
Investing activities:
Purchases of marketable securities	(12,693)	(6,124)
Proceeds from maturities of marketable securities	7,510	15,967
Proceeds from sales of marketable securities	2,824	3,492
Payments for acquisition of property, plant and equipment	(2,373)	(2,940)
Other	(154)	(603)
Cash generated by/(used in) investing activities	(4,886)	9,792
Financing activities:
Payments for taxes related to net share settlement of equity awards	(2,922)	(2,921)
Payments for dividends and dividend equivalents	(3,921)	(3,856)
Repurchases of common stock	(24,701)	(23,606)
Repayments of term debt	(2,164)	(1,009)
Total repayments of commercial paper, net	(5,910)	(7,944)
Other	(38)	(35)
Cash used in financing activities	(39,656)	(39,371)
Increase in cash, cash equivalents, and restricted cash and cash equivalents	9,383	356
Cash, cash equivalents, and restricted cash and cash equivalents, ending balances	45,317	30,299
Supplemental cash flow disclosure:
Cash paid for income taxes, net	$ 3,434	$ 18,651