Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2016	Jul. 26, 2015
Cash flows from operating activities:
Net income	$ 1,111	$ 1,041
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	289	275
Share-based compensation	150	141
Excess tax benefits from share-based compensation	(18)	(54)
Deferred income taxes	14	25
Other	20	64
Changes in operating assets and liabilities:
Accounts receivable	(112)	(322)
Inventories	(192)	(172)
Other current and non-current assets	52	(2)
Accounts payable and accrued expenses	(84)	(174)
Customer deposits and deferred revenue	399	(82)
Income taxes payable	38	(72)
Other liabilities	2	24
Cash provided by operating activities	1,669	692
Cash flows from investing activities:
Capital expenditures	(165)	(162)
Cash paid for acquisitions, net of cash acquired	(5)	(2)
Proceeds from sales and maturities of investments	681	900
Purchases of investments	(947)	(960)
Cash used in investing activities	(436)	(224)
Cash flows from financing activities:
Debt repayments	(1,207)	0
Proceeds from common stock issuances	44	43
Common stock repurchases	(1,721)	(625)
Excess tax benefits from share-based compensation	18	54
Payments of dividends to stockholders	(336)	(368)
Cash used in financing activities	(3,202)	(896)
Decrease in cash and cash equivalents	(1,969)	(428)
Cash and cash equivalents — beginning of period	4,797	3,002
Cash and cash equivalents — end of period	2,828	2,574
Supplemental cash flow information:
Cash payments for income taxes	144	258
Cash refunds from income taxes	104	10
Cash payments for interest	$ 110	$ 85