Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Cash flows from operating activities:
Net income	$ 5,888	$ 3,619	$ 2,706
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	394	376	363
Severance and related charges	148	0	0
Deferred income taxes	80	80	49
Other	(70)	60	(19)
Share-based compensation	346	307	263
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	(1,989)	(427)	(207)
Inventories	(405)	(421)	248
Other current and non-current assets	(602)	(161)	(86)
Accounts payable and accrued expenses	465	327	(247)
Contract liabilities	755	(16)	135
Income taxes payable	396	(10)	44
Other liabilities	36	70	(2)
Cash provided by operating activities	5,442	3,804	3,247
Cash flows from investing activities:
Capital expenditures	(668)	(422)	(441)
Cash paid for acquisitions, net of cash acquired	(12)	(107)	(28)
Proceeds from sales and maturities of investments	1,471	1,754	1,940
Purchases of investments	(2,007)	(1,355)	(1,914)
Cash used in investing activities	(1,216)	(130)	(443)
Cash flows from financing activities:
Debt borrowings, net of issuance costs	0	2,979	0
Debt repayments	0	(2,882)	0
Proceeds from common stock issuances	175	174	145
Common stock repurchases	(3,750)	(649)	(2,403)
Tax withholding payments for vested equity awards	(178)	(172)	(86)
Payments of dividends to stockholders	(838)	(787)	(771)
Cash used in financing activities	(4,591)	(1,337)	(3,115)
Increase (decrease) in cash and cash equivalents	(365)	2,337	(311)
Cash and cash equivalents - beginning of year	5,466	3,129	3,440
Cash and cash equivalents - end of year	5,101	5,466	3,129
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	4,995	5,351	3,129
Restricted cash equivalents included in deferred income taxes and other assets	106	115	0
Total cash, cash equivalents, and restricted cash equivalents	5,101	5,466	3,129
Supplemental cash flow information:
Cash payments for income taxes	851	542	522
Cash refunds from income taxes	27	68	22
Cash payments for interest	$ 205	$ 219	$ 219