CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jun. 28, 2026	Jun. 29, 2025
Statement of Cash Flows [Abstract]
Net income	$ 12,377	$ 8,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	1,202	1,231
Income tax payments in excess of income tax provision	(5,550)	(1,535)
Share-based compensation expense	2,579	2,120
Net gains on marketable securities and other investments	(933)	(297)
Impairment losses on other investments	61	93
Equity in net earnings of investees	(149)	(13)
Other items	(52)	(10)
Changes in assets and liabilities:
Accounts receivable, net	(264)	535
Inventories	(1,798)	33
Other assets	777	361
Trade accounts payable	149	(220)
Payroll, benefits and other liabilities	231	(943)
Unearned revenues	(225)	3
Net cash provided by operating activities	8,405	10,016
Investing Activities:
Capital expenditures	(1,578)	(785)
Purchases of debt and equity marketable securities	(2,449)	(3,785)
Proceeds from sales and maturities of debt and equity marketable securities	3,896	4,892
Acquisitions and other investments, net of cash acquired	(1,573)	(711)
Proceeds from other investments	26	53
Other items	30	7
Net cash used by investing activities	(1,648)	(329)
Financing Activities:
Proceeds from short-term debt	3,238	998
Repayment of short-term debt	(2,743)	(998)
Repayment of debt of acquired company	(174)	0
Proceeds from long-term debt	0	1,487
Repayment of long-term debt	0	(1,365)
Proceeds from issuance of common stock	223	201
Repurchases and retirements of common stock	(6,806)	(6,347)
Dividends paid	(2,868)	(2,848)
Payments of tax withholdings related to vesting of share-based awards	(888)	(878)
Other items	(28)	(10)
Net cash used by financing activities	(10,046)	(9,760)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(21)	(5)
Net decrease in total cash, cash equivalents and restricted cash	(3,310)	(78)
Total cash and cash equivalents at beginning of period (including $2,323 classified as restricted cash at September 28, 2025)	7,843	7,849
Total cash and cash equivalents at end of period	4,533	$ 7,771
Beginning Balance - Restricted Cash	2,323
Ending Balance - Restricted Cash	$ 0