Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2021	Jan. 26, 2020
Cash flows from operating activities:
Net income	$ 1,130	$ 892
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	94	94
Severance and related charges	148	0
Share-based compensation	107	93
Deferred income taxes	28	30
Other	0	15
Changes in operating assets and liabilities:
Accounts receivable	(81)	(146)
Inventories	(21)	2
Other current and non-current assets	94	(99)
Accounts payable and accrued expenses	(335)	(6)
Contract liabilities	251	64
Income taxes payable	(8)	23
Other liabilities	14	25
Cash provided by operating activities	1,421	987
Cash flows from investing activities:
Capital expenditures	(121)	(102)
Cash paid for acquisitions, net of cash acquired	(12)	0
Proceeds from sales and maturities of investments	358	368
Purchases of investments	(441)	(428)
Cash used in investing activities	(216)	(162)
Cash flows from financing activities:
Proceeds from common stock issuances	0	15
Common stock repurchases	0	(200)
Tax withholding payments for vested equity awards	(142)	(153)
Payments of dividends to stockholders	(201)	(192)
Cash used in financing activities	(343)	(530)
Increase in cash, cash equivalents and restricted cash equivalents	862	295
Cash, cash equivalents and restricted cash equivalents — beginning of period	5,466	3,129
Cash, cash equivalents and restricted cash equivalents — end of period	6,328	3,424
Reconciliation of cash, cash equivalents, and restricted cash equivalents
Cash and cash equivalents	6,213	3,424
Restricted cash equivalents included in deferred income taxes and other assets	115	0
Supplemental cash flow information:
Cash payments for income taxes	110	82
Cash refunds from income taxes	19	1
Cash payments for interest	$ 35	$ 34