Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Cash flows from operating activities:
Net income	$ 3,434	$ 1,721	$ 1,377
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	407	389	371
Excess tax benefits from share-based compensation	(55)	(23)	(56)
Deferred income taxes	(11)	21	(134)
Other	(9)	38	53
Share-based compensation	220	201	187
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	(37)	(542)	(61)
Inventories	(879)	(216)	(266)
Other current and non-current assets	(157)	30	26
Accounts payable and accrued expenses	245	107	(133)
Customer deposits and deferred revenue	289	611	(175)
Income taxes payable	121	173	(24)
Other liabilities	41	(44)	(2)
Cash provided by operating activities	3,609	2,466	1,163
Cash flows from investing activities:
Capital expenditures	(345)	(253)	(215)
Cash paid for acquisitions, net of cash acquired	(68)	(16)	(4)
Proceeds from sales and maturities of investments	2,743	1,234	1,100
Purchases of investments	(4,856)	(1,390)	(1,162)
Cash used in investing activities	(2,526)	(425)	(281)
Cash flows from financing activities:
Debt borrowings, net of issuance costs	2,176	0	2,581
Debt repayments	(205)	(1,207)	0
Proceeds from common stock issuances	97	88	88
Common stock repurchases	(1,172)	(1,892)	(1,325)
Payments of dividends to stockholders	(430)	(444)	(487)
Excess tax benefits from share-based compensation	55	23	56
Cash provided by (used in) financing activities	521	(3,432)	913
Increase (decrease) in cash and cash equivalents	1,604	(1,391)	1,795
Cash and cash equivalents — beginning of year	3,406	4,797	3,002
Cash and cash equivalents — end of year	5,010	3,406	4,797
Supplemental cash flow information:
Cash payments for income taxes	194	157	407
Cash refunds from income taxes	61	113	12
Cash payments for interest	$ 186	$ 151	$ 92