Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Jan. 26, 2020	Jan. 27, 2019
Cash flows from operating activities:
Net income	$ 892	$ 771
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	94	88
Share-based compensation	93	65
Deferred income taxes	30	41
Other	15	1
Changes in operating assets and liabilities:
Accounts receivable	(146)	(121)
Inventories	2	18
Other current and non-current assets	(99)	76
Accounts payable and accrued expenses	(6)	(313)
Contract liabilities	64	155
Income taxes payable	23	41
Other liabilities	25	12
Cash provided by operating activities	987	834
Cash flows from investing activities:
Capital expenditures	(102)	(133)
Proceeds from sales and maturities of investments	368	464
Purchases of investments	(428)	(397)
Cash used in investing activities	(162)	(66)
Cash flows from financing activities:
Proceeds from common stock issuances	15	0
Common stock repurchases	(200)	(750)
Tax withholding payments for vested equity awards	(153)	(74)
Payments of dividends to stockholders	(192)	(192)
Cash used in financing activities	(530)	(1,016)
Increase (decrease) in cash and cash equivalents	295	(248)
Cash and cash equivalents — beginning of period	3,129	3,440
Cash and cash equivalents — end of period	3,424	3,192
Supplemental cash flow information:
Cash payments for income taxes	82	34
Cash refunds from income taxes	1	8
Cash payments for interest	$ 34	$ 34